HPP Adjudicators

Lesley Shrigley Jones

Kunstlerische Abschluss Prufung (Honours)



Solo cellist, Baroque cellist, Viola da Gamba player, accompanist, chamber music coach and singer.


Lesley Shrigley Jones studied as a scholarship holder at the Royal Northern College of Music and the Hochschule fur Musik und Darstellende Kunst, Stuttgart.


After focusing on Baroque to Romantic music in Germany Lesley became an established member of the avant garde chamber music group “The Fires of London”, directed by Sir Peter Maxwell Davies.


Since then her broad vision of repertoire and skills has led to recitals and concerts throughout Europe, Latin America and the UK. She has collaborated with dancers: Dance Umbrella Festival; organists: Robin Walker and Dr Christopher Kent; visual artist: Rachel Gadsden (Shamal); film: Fusion concerts with Yekaterina Lebedeva; and choirs: Hampton Court Chapel Royal, and has included many first performances of new works.


In tandem with her performance career, Lesley has established her reputation as a teacher, examiner, lecturer and mentor for the Associated Board of the Royal schools of Music. She has adjudicated for the National Schools Chamber Music Competition, Jugund Musiksiert, London, and has been a member of The British and International Federation of Festivals since 2012.


Her recordings include “Cello In Song “ with pianist Antony Saunders and “This Holy Earth “ music by Charles Camillieri.

Ben Costello



Ben is a freelance conductor, musical director, adjudicator, singing coach and accompanist, working internationally. He is also Artistic Director of Thames Concerts, Founding Director of Kingston Chamber Singers, Chorus Master for the Leith Hill Musical Festival combined choirs concerts, Assistant Artistic Director and Accompanist of Thames Philharmonic Choir, Guest Conductor of the Voices of Hangzhou Youth Choir, a lecturer and musical director at the University of Portsmouth, and a musical director and singing coach at Laine Theatre Arts.  He is an adjudicator member of both the British and International Federation of Festivals and the Schools Music Association.


He has been a musical director on numerous productions across the U.K., is a guest conductor with various choirs, and as an accompanist collaborates with countless singers and instrumentalists. His early career included répétiteur work for opera companies and groups including the London Symphony Orchestra.  A specialist in musical theatre, he has worked for Arts Ed (London), Mountview Academy, the London Academy of Music and Dramatic Art, Guildford School of Acting, the Royal Academy of Music, the London College of Music, Starquest Performers College, and the universities of London, Surrey and Kingston.


Born and based in London, Ben trained initially as a flautist, with subsequent studies in piano, singing and conducting. He is a Liveryman of the Worshipful Company of Musicians, a member of the Court of the Royal Society of Musicians and a Freeman of the City of London. He is also a keen motorcyclist.

Paul Harris

Paul Harris is one of the UK’s most influential music educationalists. He studied the clarinet at the Royal Academy of Music, where he won the August Manns Prize for outstanding performance in clarinet playing and where he now teaches. He is in great demand as a teacher, composer, and writer (he has written over 600 books); and his inspirational masterclasses and workshops continue to influence thousands of young musicians and teachers all over the world in both the principles and practice of musical performance and education.

Ruth Gerald

Ruth Gerald  was Head of Keyboard Studies at the Royal College of Music from 1992 until 1999, having previously been Head of Keyboard at the Birmingham

School of Music.


Her career has always pursued a very wide path, solo and lecture recitals, concertos, chamber music, Lieder recitals, accompanying, adjudicating, examining and teaching.



Born and educated in Australia, Ruth Gerald began her musical career there.  After

gaining a Bachelor of Music degree at Adelaide University she continued with

postgraduate studies at the Royal College of Music where she was awarded many

Prizes, including the Hopkinson Gold Medal.


Recently she has given Masterclasses in UK, Ireland, Australia, New Zealand, Malta,

and Greece and conducted many seminars for piano teachers in UK, Malaysia, Singapore, New Zealand, Hong Kong, Macau and Taiwan.  She is frequently invited to adjudicate world-wide and is actively involved in many aspects of the work of the Associated Board of the Royal Schools of Music.

Richard Haslam


Richard studied at Sussex University for a degree in Education, specialising in Music and also at the Royal College of Music where he gained a Diploma in Pianoforte Teaching and a Distinction in Grade 8 singing.


Richard was Director of Music at Burgess Hill School for Girls for nearly thirty years where he taught to A level as well as running a variety of extra-curricular activities including Chamber groups, Choirs and Orchestras and has recently retired.


Richard teaches piano and singing to Diploma standard and is also a Moderator for GCSE Music, an examiner for A Level Music, an adjudicator for the British Federation of Festivals and recently has become a Mentor for Music for Youth.  Richard also examines for the ABRSM and has completed a number of overseas tours.  He is an experienced accompanist, conductor and singer and works with a number of different groups in the community including Choral and Operatic Societies.  Richard also runs his own choir-“Cantemus”-who have raised over £300,000 for charity in the last twelve years.