Donna Balson trained at the Sydney Conservatorium of Music as a singer and pianist. As a singer, she has performed as a soloist in opera and concert, in diverse repertoire from Bach through Verdi to Nono. Highlights included performances of the Verdi Requiem, in China, Germany and the United States; the roles of Leonora in La Forza Del Destino in New Zealand and Tosca in New Zealand and the US; and performances of Bach’s B Minor Mass at Lincoln Centre and Mozart’s Coronation Mass at Carnegie Hall. Noted for her outstanding musicianship and compelling stage presence, she has also been active as a contemporary music proponent and was invited to collaborate with international orchestras and chamber groups including the Residentie Orchestra in Den Haag and Ensemble Moderne in Frankfurt. Donna lived and worked overseas for more than 30 years, first in Germany and later in New York. A lifetime as a freelancer has found her touring to many places across the world, including China, Sri Lanka, Hong Kong, Africa, the Middle East, and regional Australia.
Alongside singing, Donna has had a parallel career as a pianist. Early experiences as an accompanist to singing teachers during her own studies in Australia and at the Frankfurt Opera in Germany gradually led to the establishment of her own practice as an opera coach and voice teacher. She has worked as a visiting coach for Opera Australia, Opera Queensland, the State Opera of South Australia, Opera Frankfurt and the Aotearoa New Zealand Opera Studio (TANZOS). She was the vocal coach for William Forsythe’s Frankfurt Ballet and the classical vocal consultant for the Ensemble Theatre in Sydney, working recently on its productions of Terence McNally’s Masterclass (2024) and David Williamson’s Aria (2025).
From her private studios in Frankfurt, New York and Sydney, Donna has coached an impressive list of performers for major roles in the preeminent opera houses of the world, including the Metropolitan, La Scala and Vienna, and prepared singers for successful auditions for the Academy of Vocal Arts in Philadelphia and the Lindemann Young Artist Program at the Metropolitan Opera, NY. She was senior professor of voice at Hofstra University in New York from 2005 to 2018. She has given Masterclasses for the Sydney Conservatorium, Opera Queensland, Canterbury Opera Youth, NZ, and for the American Choral Directors Association; presented research papers at conventions; and given multiple pre-performance talks for Opera Queensland. In 2012, she completed a Masters of Science in Educational Leadership and Policy, with a concentration in human development and educational psychology, at Hofstra University.
In 2019, Donna moved home to Sydney to head up Opera Australia’s Young Artist Program. She currently teaches at the Sydney Conservatorium and operates a busy private studio catering to professionals and recent graduates. Singers from her studio regularly perform with Opera Australia, Pinchgut Opera, The Australian Brandenburg Orchestra, The Song Company, The Bach Akademie Australia, and with state opera companies.
2026 NATIONAL ADJUDICATOR: Donna Balson
2026 ASC Heats Adjudication Panels
In the course of his 35 year professional career, Warwick Fyfe has amassed a vast repertoire of major roles. He is particularly associated with Wagner and may be the only person to have performed a complete Wotan/Wanderer and a complete Alberich in the same calendar year in this country. He has also sung Hans Sachs, the longest role in the standard repertoire. For his Alberich in Opera Australia’s 2013 Ring Cycle he won a Helpmann Award and his Heerrufer in Lohengrin garnered a Green Room award. He has performed the title roles in The Flying Dutchman, Falstaff and Rigoletto. His longest artistic relationship has been with Opera Australia. He has had a fruitful Wagnerian association with Melbourne Opera and has performed with all the major Australian orchestras and opera companies. He adores comedy and remembers with particular fondness his Bottom in A Midsummer Night’s Dream at the Adelaide Festival.
Maree Ryan, Honorary Associate and former Chair of Vocal and Opera Studies, Sydney Conservatorium of Music, is widely recognised as one of Australia's leading vocal teachers.
As a performer Ms Ryan’s work covered all styles and genres. She performed in opera, oratorio and recital as well as broadcast for radio and television. As a soloist Ms Ryan worked with many leading orchestras under many national and international conductors.
Opera houses at which students have performed or are currently engaged include, among others, Opera Australia; Vienna State Opera; Royal Opera, Covent Garden; Opéra de Reims; Opéra Comique & Théâtre du Châtelet; Deutsche Opera, Berlin & Cologne Opera; Israel Opera; La Fenice; Teatre Regio di Parma; Teatro San Carlo; Teatro dell’opera di Roma & Teatro alla Scala.
Conductors with whom students have performed include: Vladimir Ashkenazy, William Christie, Sir Colin Davis, Simone Young. Adam Fischer, Antonio Fogliani, Sir John Elliot Gardiner, Daniele Gatt, Marc Minkowski, Daniel Oren, Seiji Ozawa, Donata Renzett, Hellmut Rilling, Donald Runnicles, Christian Thielemann and Ralf Weikart.
Stuart Maunder has been directing musical theatre and opera in Australia for over 40 years.
Stuart joined The Australian Opera as Stage Manager in 1978, becoming a Resident Director in 1981.
In 1992 he joined the Royal Opera House (UK) as a Staff Director while continuing to direct in Australia, UK, France and the USA.
In 1999 he was appointed Artistic Administrator of Opera Australia, then Executive Producer from 2004-08.
In 2012, Stuart was made a Member of the Order of Australia (AM) "for service to the performing arts, particularly with Opera Australia, as an artistic director, and as a mentor to emerging artists."
From 2014 to 2018 Stuart was General Director of New Zealand Opera, before returning to Australia to join State Opera South Australia as Artistic Director.
In October 2023, Stuart became Artistic Director of Victorian Opera.
In 2023 was the proud recipient of the MOST Lifetime Achievement Award.
Stephen Grant is Head of Voice at the Melbourne Conservatorium of Music and director of the vocal ensemble e21. His has performed with Europes best-known early music ensembles, performing widely and making over 30 CD recordings (for BMG, deutsche harmonia mundi, Harmonia Mundi France, Wergo & Arcana). His interest in both early and contemporary repertoire has led to premieres of works by Saariaho (Paris), Fritsch (Bonn), Staub (Köln, Göteborg & Saarbrücken), Cheetham (Marupna) and Thomson (Hobart). His work has led to festival performances in the Sydney & the Melbourne Festivals, and in Melbourne’s 2023 RISING Festival.
His passion for historical vocal performance led to his doctoral work on the music of the German composer Heinrich Schütz and he is currently working on a translation of a handbook for opera singers and directors with the German opera director Beverly Blankenship. He has taught voice workshops in Germany, Switzerland, Norway, the USA, Canada and Australia. His teaching incorporates a combination of perspectives through his work as a singer, conductor and Feldenkrais Practitioner, and he has been on staff at the Melbourne Conservatorium of Music since 1999.
British born, Lisa Harper-Brown, grew up and studied in Perth and recently returned home after living and working overseas for 23 years. A University of Western Australia alumna and former young artist with West Australian and Opera Australia, she is the recipient of many prizes in the fields of performing and academia. Lisa successfully divides her time between her two great passions: Performing and Teaching.
As a performing artist, Lisa has appeared throughout Australia, New Zealand and Germany, as well as Italy, Spain, Netherlands and the UK. Lisa possesses a vast concert repertoire, and is recognised for her ability to cross genres and styles. During 2025, she made her debut with Freeze Frame Opera, in performances of Jake Heggie’s Dead Man Walking, for which she has received a 2026 Performing Arts WA Award nomination.
Having taught for over 35 years across three continents in a huge variety of educational settings, Lisa’s extensive ‘on-stage’ experience, technical understanding and knowledge of languages, make her a highly sought-after Voice Teacher, Choral Trainer, Conductor, and Adjudicator. As the newly appointed Chair of Classical Voice at UWA Conservatorium, she is very proud to be sharing her knowledge and expertise in support of a new generation of talented performing artists.
Australia’s most highly awarded soprano, Emma Matthews is a seven-time Helpmann Award winner and Head of Classical Voice and Opera Studies at the Western Australian Academy of Performing Arts.
Emma starred as The Cunning Little Vixen at the Royal Opera House, Covent Garden, and with Opera Australia. Her extensive repertoire with the national company further includes the title roles in Lulu, Lakmé, and Lucia di Lammermoor, alongside Amina (La sonnambula), Violetta (La traviata), Gilda (Rigoletto), Giulietta (I Capuleti e i Montecchi), Cleopatra (Giulio Cesare), Morgana (Alcina), Sophie (Der Rosenkavalier), Juliette (Roméo et Juliette), Marie (La fille du régiment), Konstanze (Die Entführung aus dem Serail), Pamina (The Magic Flute), Leïla (The Pearl Fishers), Rosina (The Barber of Seville) and the four heroines in The Tales of Hoffmann. She was recently welcomed back as the Fairy Godmother in Cinderella.
Her discography features Mozart Arias and Agony and Ecstasy (ABC Classics) and Emma Matthews in Monte Carlo (Deutsche Grammophon/ABC Classics).
Performing as a tenor soloist with symphony orchestras, chamber music groups and choirs, Dr Paul McMahon is one of Australia’s leading exponents of eighteenth-century repertoire, particularly the Evangelist role in the Passions of J. S. Bach. Performance highlights include Bach’s Johannes-Passion with the Australian Chamber Orchestra under Richard Tognetti, Bach’s Matthäus-Passion with Auckland Philharmonia Orchestra under Roy Goodman, Haydn’s Die Schöpfung for Sydney Philharmonia under Richard Hickox, Mozart’s Mass in C Minor with the Melbourne Symphony Orchestra under Masaaki Suzuki and Mozart’s Requiem with the Hong Kong Philharmonic Orchestra under Manfred Honeck. Paul has appeared as soloist in concert for Opera Australia and in the festivals of Sydney, Melbourne and Brisbane. For Opera Queensland he sang Don Ottavio in Mozart's Don Giovanni and for Pinchgut Opera he sang Arbace in Mozart's Idomeneo, as well as roles in Handel's Semele, Purcell's The Fairy Queen, Monteverdi's L'Orfeo and Charpentier's David et Jonathas. He has recorded critically-acclaimed discs for Decca and ABC Classics, given concerts for broadcast on BBC Radio 3, ABC Classic FM and the MBS network, and toured regularly throughout Australia, Asia and Europe as a member of vocal ensemble, The Song Company (1997–2001). Paul holds a PhD in music and is a member of the vocal staff at Queensland Conservatorium Griffith University.
Australian-born baritone James Roser initially began a career as an environmental scientist, having completed a Bachelor of Advanced Science (Honours) at the University of NSW, before beginning his musical studies. He was a recipient of several major singing awards in Australia, including the Mietta Song Recital Award, Vienna State Opera Award and Britten-Pears Young Artist Award and was a young artist with Pacific Opera, before moving to Austria, where he is currently based. He has performed with the Vienna State Opera, Tiroler Festspiele Erl, Beijing Music Festival, Shanghai International Arts Festival, Opéra de Baugé, Opera Queensland, Victorian Opera, Sydney Symphony Orchestra, State Opera of South Australia and Staatsoper Cottbus.
Operatic roles he has performed include Rigoletto, Germont, Amfortas, Beckmesser, Gunther, Don Pizarro, Faninal, Wotan (Das Rheingold), Don Magnifico, Dulcamara, Wiedhopf (Die Vögel), Owen Wingrave, Escamillo, Peter (Hänsel und Gretel), Don Giovanni, Leporello, Il Conte (Le Nozze di Figaro), Papageno and Guglielmo, along with others.
He has performed in recital across Europe, as well as in Australia, Canada and the United Kingdom, performing for the Franz Schubert Institut, Oxford Lieder Festival, Britten-Pears Young Artist Programme, Gesellschaft für Musiktheater Wien, Opera Queensland, Artsong NSW, Chamber Music Australia, Rainhill Music Festival, has appeared as a soloist with the Australian Brandenburg Orchestra and has been broadcast a number of times in Australia on 2MBS-FM, 3MBS-FM and ABC Classic FM, as well as ORF and Servus TV in Austria and Germany.
Semi-Finals & Finals Adjudicators
Nicole Dorigo
A key member of Opera Australia's music staff, and credited with establishing the Sydney Conservatorium of Music's original Italian program and later expanding the curriculum to include French and German, Nicole Dorigo is an accomplished music professional with a specialist interest in language. This expertise is grounded in over two decades of practical experience with the main opera companies in Australia, as well as with leading companies in Asia and Europe.
As Opera Australia's in-house Language Coach since 2013, Nicole is responsible for the entire French and Italian repertoire at the company, including operas, concerts, major events on the harbour, and the national tours. Here, she advises the company’s Australian singers and visiting international artists on all aspects of language, including diction and interpretation. Her coaching also includes Chorus and singers in the company’s Young Artist Program.
Outside of her Opera Australia commitments, Nicole consults to other opera companies and projects in Australia, Europe and Asia, where recent international contracts included productions with the Norwegian National Opera and the Shanghai Opera House.
Significantly, she has been a passionate supporter of, and advocate for, emerging talent in Australia. Her extensive experience with young singers includes her work with young artist programs, as well as with undergraduate and graduate students (Music and Voice). More recently, Nicole founded ShoutMachine to promote young Australian opera singers to agents and opera companies around the world, and regularly mentors and provides advice to these and other young performers.
Francis Greep
Francis Greep is a highly sought-after vocal coach, recitalist, music director, and chorus master. He has worked extensively with Opera Australia and held key positions at West Australian Opera and Houston Grand Opera. Most recently, he served as Executive Director of The Song Company, Australia’s national vocal ensemble.
Francis recently rejoined Opera Australia as Head of Young Artists, where he is leading the establishment of a new artist development program of national significance.
Internationally recognised for his expertise in preparing singers across classical styles, he brings a deep understanding of vocal production, languages, repertoire, and performance psychology. He holds postgraduate degrees in collaborative piano and opera from the University of Cincinnati, as well as a PhD from the University of Melbourne, where his groundbreaking research explored the role of the vocal coach in the development of emerging singers.
Anke Hoeppner-Ryan (Semi-Finals only)
Dr. Anke Hoeppner-Ryan holds a Master’s in Performance and Opera from the Hanns Eisler University of Music, Berlin, and a Doctor of Musical Arts from the Sydney Conservatorium of Music (2019).
With 40 years of experience as an opera singer, she has performed with Deutsche Staatsoper Berlin, Komische Oper Berlin, Opera Australia, Victorian Opera, West Australian Opera, and Opera Queensland, among others. Her repertoire includes the title roles in Turandot, Tosca, Madama Butterfly, La Fanciulla del West, Fidelio, Iphigénie en Tauride, and Jenufa, as well as roles such as Mimi (La Bohème), Santuzza (Cavalleria Rusticana), Giulietta (Les Contes d’Hoffmann), and Elvira (Don Giovanni).
A seasoned concert artist, she has performed with the Berlin Philharmonic, Melbourne and Queensland Symphony Orchestras, the Sydney Philharmonic Choir, and at the London International Song Festival. She has worked with conductors including Sir Charles Mackerras, Simone Young, Patrick Summers, and Johannes Fritzsch, and with renowned directors Harry Kupfer, Neil Armfield, Graeme Murphy, Christine Mielitz, Michael Gow, Lindy Hume, Stuart Maunder, Moffatt Oxenbould, Nigel Jamieson, and Andrew Sinclair.
Dr. Hoeppner-Ryan won the inaugural Helpmann Award for Madama Butterfly, 1st Prize in the Hanns Eisler Song Competition (Berlin), and the Bayreuth Scholarship. She is Discipline
Advisor for Classical Voice at the Sydney Conservatorium of Music.
Barry Ryan OAM (Finals only)
Barry Ryan, an Australian baritone, graduated with honours from the Sydney Conservatorium of Music. Over the course of his career, he has earned several prestigious awards; including the Shell Aria, the New York Metropolitan Auditions, the Marten Bequest for Singing, the Vienna State Opera Award, and the Green Room Award. Notably, in 2013, he was honoured with the Order of Australia for his contributions to the performing arts.
Barry Ryan has performed with Europe’s leading opera companies including the Royal Opera Covent Garden, La Scala Milan, the Opera Comique in Paris, the Paris Opera Bastille, the Deutsche Oper am Rhein Düsseldorf, the Flemish Opera Antwerp, the Komische Oper Berlin, Basel Opera, Wide Open Opera Dublin, and the Otono Fesval Opera Madrid. He was a principal artist with the Cologne Opera from 1988 to 1992 and made his Australian Opera debut in 1993 singing David in "Die Meistersinger von Nürnberg".
Barry Ryan has performed leading roles for Opera Australia, Opera Queensland, Victorian Opera, West Australian Opera and Canterbury Opera, including: George Milton in the Australian Premiere of Carlisle Floyd’s Opera “Of Mice and Men”, Gunther in “Göterdämmerung”, the title role of Nixon in “Nixon in China” for which he was nominated for a Helpmann Award, Sharpless in “Madama Butterfly”, Marcello in “La Bohème”, Amonasro in “Aida”, Jochanaan in Salome, Count di Luna in “Il Trovatore”, Renato in “Un Ballo in Maschera”, the Father in “Hänsel and Gretel”, Don Pizarro in “Fidelio”, Prosecuting Counsel in ”Lindy”, Mister Redburn in “Billy Budd” and the Gamekeeper in “Rusalka”, Tonio in “I Pagliacci” and Alex in the world premiere of Bret Dean’s Opera “Bliss” for which he was also nominated for a Helpmann Award. Other world premieres include Scully in “The Riders”, Sam in “Cloudstreet”, Prosecuting Counsel in “Lindy”, Wiebbe Hayes in “Batavia” and Barney in “The Summer of the 17th Doll.”
Barry Ryan has performed under the batons of some of the world’s leading conductors, including, Riccardo Mu, Zubin Metha, Sir Charles Mackerras, Simone Young, Richard Bonynge, Carlo Felice Cillario, and Richard Hickox. His performances with esteemed orchestras, including the London Symphony Orchestra, the Norwegian Symphony Orchestra, and the Netherlands Philharmonic Orchestra, have been broadcast on BBC London, ABC in Australia, and WDR in Germany.
Barry Ryan lectures in Voice and Opera at the Sydney Conservatorium of Music since 2002. His students have included many finalists and winners in major competitions, young artists at Opera Australia, Covent Garden and the Wiener Staatsoper as well as many professionals in Australia and Europe.
Diego Torre
Mexican-Australian Diego Torre, has impressed audiences no just with his performances of Verdi, Puccini and Verismo repertoire, but also because his unic and powerful tenor voice full of flexibility.
Born in Mexico City, he has a bachelor degree in Singing by the National Autonomous University of Mexico (UNAM).
Diego is a leading tenor at Opera Australia for many years, Diego’s most celebrated roles include Radames (Aida), Turiddu (Cavalleria rusticana), Canio (Pagliacci), Cavaradossi (Tosca), Pinkerton (Madama Butterfly), Edgardo (Lucia di Lammermoor), Rodolfo (La bohème), Gustavus (Un ballo in maschera), The Duke (Rigoletto), Rodolfo (Luisa Miller), Eleazar (La Juive) and the title role in Don Carlo.
The 2024-2025 season included a number of notable engagements including a reprise of Don José with Opera Australia and a return to the United States for Pagliacci in Seattle Opera, Radames with Boston Lyric Opera and Calaf with Lyric Opera of Kansas City.
During the 2025-2026 season, Diego will sing in engagements including Turandot with Opera Australia,a concert presentation of Edgar with Minnesota Opera (USA), Un ballo in maschera with Handa Opera at Millthorpe.
- Jeffrey Black
- Joanne Goodman
- Dr. Francis Greep
- Kate Johnson
- Dr. Simon Lobelson
- Joanne Goodman
- Kate Johnson
- Dr. Simon Lobelson
- Siobhan Stagg
- London - Linnhe Robertson, Yvonne Kenny AM
- Sydney - Dr Anke Höeppner-Ryan, Joanne Goodman
- Melbourne - Natalie Jones, Stephen Grant
- Perth - Emma Matthews AM, Nicole Youl
- Brisbane - Gregory Massingham, Leanne Kenneally-Warnock
- Natalie Aroyan
- Nicole Dorigo
- Benjamin Rasheed
- Barry Ryan OAM
- Jane Ede
- Nicole Dorigo
- Tahu Matheson
- Benjamin Rasheed
- Barry Ryan OAM
- Sydney - Jane Ede, Dr Simon Lobelson
- Melbourne- Ali McGregor, Dermot Tutty
- Brisbane- Sarah Crane, Mattias Lower
- Perth- Emma Matthews AM, Hugh Lydon
- Patrick Togher
- Nicole Dorigo
- Amelia Farrugia
- Paul Fitzsimon
- Anke Hoeppner-Ryan
- Deborah Cheetham-Fraillon
- Nicole Dorigo
- Amelia Farrugia
- Paul Fitzsimon
- Sydney - Rowena Cowley, Jane Ede
- Melbourne - Richard Mills AM, Roxane Hislop
- Perth (cancelled) - Emma Matthews, Chris Van Tuinen
- Brisbane - Andrew Dalton, Hayley Sugars
- Wellington - Brad Cohen, Richard Greager
- Graham Pushee
- Cheryl Barker AO
- Brian Castles-Onion AM
- Michael Halliwell
- Noëmi Terracini-Nadelmann
- Cheryl Barker AO
- Brian Castles-Onion AM
- Michael Halliwell
- Noëmi Terracini-Nadelmann
- Sydney (NSW) Monday 11 July & Tuesday 12 July - Rowena Cowley, Glenn Winslade
- Melbourne (VIC) Wednesday 13 July - Andrea Katz, Stephen Grant
- Perth (WA) Friday 15 July - Chris van Tuinen, Emma Matthews
- Brisbane (QLD) Sunday 17 July - Kang Wang, Marilyn Richardson
- Noëmi Nadelmann
- Jeffrey Black
- Joanne Goodman
- Narelle Yeo
- Warwick Fyfe
- Joanne Goodman
- Narelle Yeo
- London (UK) Sunday 19 May - David Harper, Linnhe Robertson
- Sydney (NSW) Thursday 20 June & Friday 21 June - Jud Arthur, Anke Höppner-Ryan
- Melbourne (VIC) Wednesday 12 June - Stephen Grant, Richard Mills
- Perth (WA) Friday 14 June - Chris van Tuinen, Emma Matthews
- Brisbane (QLD) Sunday 16 June - Jan Black, Gregory Massingham, Angus Wood
- Wellington (NZ) Tuesday 18 June - Jessica Duirs, Robert Wiremu
- Linnhe Robertson
- Michael Halliwell
- Anthony Hunt
- Noëmi Nadelmann
- Raff Wilson
- Michael Halliwell
- Anthony Hunt
- Noëmi Nadelmann
- London (UK) Tuesday 4 April - David Harper, Kate Paterson
- Sydney (NSW) Monday 7 May & Tuesday 8 May - Anke Höppner-Ryan, Anthony Hunt
- Melbourne (VIC) Wednesday 9 May - Phoebe Briggs, Stephen Grant
- Perth (WA) Friday 11 May - Fiona McAndrew, Ian Westrip
- Brisbane (QLD) Sunday 13 May - Jan Black, Shelli Hulcombe, Natalie Peluso
- Wellington (NZ) Tuesday 15 May - James Clayton, Jenny Wollerman
- Catrin Johnsson
- Noëmi Nadelmann
- Olafur Sigurdarson
- Narelle Yeo
- Raff Wilson
- Tahu Matheson
- Emma Matthews
- Narelle Yeo
- Raff Wilson
- Auckland (NZ) Saturday 1 April - Stuart Maunder AM, Gina Sanders
- London (UK) Monday 3 April - David Harper, Linnhe Robertson, Yvonne Kenny
- Sydney (NSW) Monday 3 April & Tuesday 4 April - Barry Ryan, Taryn Fiebig
- Melbourne (VIC) Wednesday 5 April - Suzanne Johnston, Andrea Katz
- Perth (WA) Friday 7 April - Thomas Johnson, Fiona McAndrew
- Brisbane (QLD) Sunday 9 April - Jason Barry-Smith, Natalie Peluso
- Lyndon Terracini AM
- Conal Coad
- Michael Halliwell
- Emma Matthews
- Benjamin Schwartz
- Rowena Cowley
- Lisa Gasteen AO
- Emma Matthews
- Benjamin Schwartz
- Auckland (NZ) Sunday 3 April - Stuart Maunder AM, Robert Wiremu
- Sydney (NSW) Monday 11 April, Wednesday 13 April & Friday 15 April - Anke Höppner, Ian McCahon
- London (UK) Thursday 14 April - David Harper, Kate Paterson, Linnhe Robertson
- Melbourne (VIC) Sunday 17 April - Antoinette Halloran, Richard Mills AM
- Perth (WA) Saturday 23 April - Alexandre Da Costa-Graveline, Burhan Güner, Patricia Price
- Brisbane (QLD) Sunday 15 May - Andrew Collis, Gregory Massingham
- Linnhe Robertson
- Conal Coad
- Lisa Gasteen AO
- Michael Halliwell
- Simon Lord
- Emma Matthews
- Johannes Fritzsch
- Lisa Gasteen AO
- Michael Halliwell
- NSW - Andrew Dalton, Daniel Sumegi
- QLD - Donna Balson, Bradley Daley
- VIC - Stephen Grant, Merlyn Quaife
- WA - Patricia Price, Antony Walker
- NZ - Margaret Medlyn ONZM, Michael Vinten
- UK - David Harper, Yvonne Kenny AM
- Jeffrey Black
- Conal Coad
- Michael Halliwell
- Emma Matthews
- Benjamin Schwartz
- Michael Halliwell
- Benjamin Schwartz
- NSW - Michael Lewis OAM, Ian McCahon
- QLD - Graham Godfrey, Lindy Hume
- VIC - Phoebe Briggs, Suzanne Johnston
- WA - Brad Cohen, Patricia Price
- UK - David Harper, Yvonne Kenny, Linnhe Robertson
- Emma Matthews
- Conal Coad
- Peter Czornyj
- Michael Halliwell
- Ian McCahon
- Peter Czornyj
- Michael Halliwell
- Ian McCahon
- NSW - Andrew Dalton, Michael Lewis OAM
- QLD - Brad Jarrett, Leanne Kenneally
- VIC - Suzanne Johnston, Richard Mills AM
- WA - Burhan Güner, Patricia Price
- NZ - Michael Vinten
- Jeffrey Black
- Conal Coad
- Dobbs Franks
- Michael Halliwell
- Huw Humphreys
- Yoshinobu Kuribayashi
- Anthony Legge
- Peter Czornyj
- Michael Halliwell
- Anthony Legge
- NSW - Maree Ryan, Glenn Winslade
- QLD - Narelle French, Natalie Peluso
- VIC - Stephen Grant, Suzanne Johnston
- WA - Burhan Güner, Patricia Price
- NZ - Lisa Harper-Brown
- Bernadette Cullen
- Peter Czornyj
- Michael Halliwell
- Anthony Legge
- Roderick Lakin (non-voting Chair)
- Peter Czornyj
- Anthony Legge
- Stephen Mould
- NSW - Michael Black, Rowena Cowley
- VIC - Antoinette Halloran
- WA - Marilyn Phillips
- Lisa Gasteen AO
- Conal Coad
- Peter Czornyj
- Dobbs Franks
- Yoshinobu Kuribayashi
- Stephen Mould
- Peter Czornyj
- Stephen Mould
- Linnhe Robertson
- NSW - Anson Austin OAM, Andrew Dalton
- QLD - Narelle French, Richard Wenn
- VIC - Stephen Grant, Suzanne Johnston
- WA - Andrew Foote, Patricia Price
- NZ - Barry Mora, Patricia Wright (NZ heats cancelled)
- Donald Shanks AO, OBE
- Dobbs Franks
- Prof Yoshinobu Kuribayashi
- Marshall Maguire
- Stephen Mould
- Stephen Mould
- Richard Wenn
- NSW - Tony Legge, Stephen Yalouris
- QLD - Graham Abbott, Narelle French
- VIC - Hugh Halliday, Merlyn Quaife
- WA - Andrew Foote, Christina Gronborg
- Deborah Riedel
- Dobbs Franks
- Prof Yoshinobu Kuribayashi
- Prof Imre Palló
- Prof Linnhe Robertson
- Richard Wenn
- Prof Imre Palló
- Prof Linnhe Robertson
- Richard Wenn
- NSW - Ian McCahon, Barry Ryan
- QLD - Narelle French, Margaret Baker-Genovesi
- VIC - Suzanne Johnston, David Kram
- WA - Sara Macliver, Linda Barcan
- Anson Austin OAM
- Dr Michael Halliwell
- Prof Yoshinobu Kuribayashi
- Richard Wenn
- Dr Michael Halliwell
- Richard Wenn
- NSW - Michael Black, Barry Ryan
- QLD - Narelle French, Joseph Ward OBE
- VIC - Margaret Haggart, Vladimir Vais
- WA - Fiona Campbell, Roma Conway
- Fiona Janes
- David Garrett
- Prof Yoshinobu Kuribayashi
- Prof Imre Palló
- Prof Linnhe Robertson
- Gregory Yurisich
- Prof Imre Palló
- Prof Linnhe Robertson
- NSW - Andrew Dalton, Andrew Greene
- QLD - Jason Barry-Smith, Narelle French
- VIC - Nance Grant MBE, David Kram
- WA - Andrew Foote
- Glenn Winslade
- David Garrett
- Michael Halliwell
- Yoshinobu Kuribayashi
- Gregory Yurisich
- David Garrett
- Michael Halliwell
- NSW - Jane Edwards, Stephen Mould
- QLD - Shaun Brown, Narelle French
- VIC - David Kram, Stephen Mould
- WA - Roma Conway, Marilyn Phillips
- Glenys Fowles AM
- David Garrett
- Michael Halliwell
- Prof Yoshinobu Kuribayashi
- Gregory Yurisich
- David Garrett
- Michael Halliwell
- Gregory Yurisich
- NSW - Jane Edwards, Stephen Mould
- QLD - John Dingle, Joseph Ward OBE
- VIC - Hugh Halliday, Stephen Mould
- WA - Roma Conway, Pamela Turner
- Marilyn Richardson
- Eric Clapham OAM
- David Garrett
- Michael Halliwell
- Eric Clapham OAM
- David Garrett
- Michael Halliwell
- Prof Yoshinobu Kuribayashi
- Gregory Yurisich
- NSW - Jane Edwards, Rosemary Gunn
- QLD - Margeta Elkins, Narelle French
- VIC - Roger Howell, Vladimir Vais
- WA - Roma Conway, Marilyn Phillips
- Gregory Yurisich
- Brian Castles-Onion
- David Garrett
- Michael Halliwell
- Prof Yoshinobu Kuribayashi
- Patricia Price
- Brian Castles-Onion
- David Garrett
- Michael Halliwell
- NSW - Rowena Cowley, Anson Austin
- QLD - Narelle French, Hilary Jones
- SA - Keith Hempton, Stephen Phillips
- VIC - Rosamund Illing, David Kram
- WA - Ruth Atkinson, Richard Mills
- Robert Gard OBE
- Eric Clapham OAM
- David Garrett
- Michael Halliwell
- Prof Yoshinobu Kuribayashi
- Gregory Yurisich
- Eric Clapham OAM
- David Garrett
- Michael Halliwell
- Gregory Yurisich
- NSW - Andrew Dalton, Sharolyn Kimmorley
- VIC - Nance Grant, Vladimir Vais
- QLD - John Dingle, Adele Nisbet
- Eric Clapham OAM
- David Garrett
- William Gillespie
- Sharolyn Kimmorley
- Yoshinobu Kuribayashi
- Neil Mackie CBE
- Eric Clapham OAM
- David Garrett
- William Gillespie
- Sharolyn Kimmorley
- NSW - Michael Halliwell, Stuart Maunder
- VIC - Rosamund Illing
- QLD - Gregory Massingham, Marilyn Richardson
- Christine Douglas
- Andrew Greene
- John Pringle AM
- Patricia Price
- Eric Clapham OAM
- David Garrett
- Brenda Holleman
- Joseph Ward OBE
- Yoshinobu Kuribayashi
- Eric Clapham OAM
- David Garrett
- Brenda Holleman
- NSW - Anson Austin OAM, Andrew Dalton
- VIC - Margaret Haggart, Vladimir Vais
- QLD - James Christiansen, Joseph Ward OBE
- WA - Cornelius de Munck, Jolanta Nagajek
- Linnhe Robertson
- Ghillian Sullivan
- John Shaw
- Roderick Brydon
- Richard Divall
- Anson Austin
- Geoffrey Chard AM
- Eric Clapham
- Samuel Dixon
- Brenda Holleman
- Yoshinobu Kuribayashi
- Patricia Price
- NSW - Anson Austin OAM, Michael Dale
- QLD - Gregory Massingham, Jillian Stoll
- SA - Keith Hempton
- VIC - John Dingle
- WA - Pamela Foulkes, Gregory Yurisich
- Richard Divall OBE
- Myer Fredman
- Ronald Maconaghie AM
- Linnhe Robertson
- Ghillian Sullivan
- Eileen Hannan
- Eric Clapham
- Samuel Dixon
- Brenda Holleman
- Christopher Underwood
- NSW - Michael Dale, Patricia Price
- QLD - Thomas Cullen, Margreta Elkins AM
- VIC - Rosamund Illing OA, David Kram
- SA - Keith Hempton, Stephen Phillips
- WA - Cornelius de Munck, Marilyn Phillips
- Suzannah Conway
- Myer Fredman (Chair)
- Marilyn Richardson
- Patricia Price
- Eric Clapham
- Samuel Dixon
- Neil Easton OAM
- Michael Halliwell
- NSW - David Brennan, Brenda Holleman
- QLD - Suzannah Conway, Margreta Elkins AM
- VIC - Natalia Afeyan, John Dingle
- SA - Keith Hempton, Stephen Phillips
- WA - Marilyn Phillips, Janice Taylor-Warne
- Myer Fredman (Chair)
- Ronald Maconaghie AM
- Linnhe Robertson
- Sharolyn Kimmorley
- Eric Clapham
- Samuel Dixon
- Glenys Fowles AM
- Brenda Holleman
- NSW - Simon Kenway, Gillian Sullivan
- QLD - James Christiansen, Gregory Massingham
- VIC - Tony Gould, Linnhe Robertson
- Myer Fredman (Chair)
- Andrew Greene
- Ghillian Sullivan
- Joseph Ward OBE
- Joan Arnold OBE
- Eric Clapham
- Brian Hansford
- Loris Synan
- NSW - Rosemary Gunn, Stephen Yalouris
- QLD - Suzannah Conway, Margreta Elkins AM
- SA - David Kram, Kevin Miller
- VIC - Roger Howell, Robert Rosen
- Stephen Barlow
- Robert Gard OBE
- Nance Grant MBE
- Myer Fredman
- Eric Clapham
- Glenys Fowles AM
- Brenda Holleman
- Moffatt Oxenbould AM
- NSW - Anson Austin OAM, Simon Kenway
- QLD - Suzannah Conway, John Matheson
- SA - Tito Capobianco, Kevin Miller
- VIC - Roger Howell, Robert Rosen
- Joseph Ward OBE (Principal Adjudicator)
- Grace Bumbry
- Maestro Carlo Felice Cillario
- Joseph Ward OBE
- Eric Clapham
- Myer Fredman
- Brenda Holleman
- Alan Light
- ACT - John Cameron, Jeannette Russell
- NSW - Moffatt Oxenbould AM, Stephen Yalouris
- QLD - Suzannah Conway, John Matheson, John Woods
- SA - Norma Hunter, Kevin Miller
- VIC - Joan Arnold MBE, Rhonda Bruce
- Roderick Brydon
- Susan Dunn
- Donald Shanks AO OBE