His competition successes included the Gerald Moore Award and the accompanist prizes in the Kathleen Ferrier and Royal Over-seas League competitions.

He is currently professor of piano accompaniment at the Royal College of Music and teaches at the Royal Welsh College of Music and Drama.

Simon has performed with many of this country's leading singers including: Allan Clayton, Lucy Crowe, Andrew Kennedy, Sally Matthews, Joan Rodgers, Kate Royal, Elizabeth Watts and Roderick Williams.

He has also given recitals with Nicole Cabell, Jonathan Lemalu, Stephan Loges and Ailish Tynan. Recordings include Debussy songs with Gillian Keith; Warlock songs with Andrew Kennedy; works by Feldman, Zimmerman, Xenakis and Schoenberg with violinist Carolin Widmann; and the cello, flute and voice syllabus for the Associated Board.

Recent highlights include performances of the Schubert song cycles with Mark Padmore; performances of Messiaen's Harawi with Gweneth-Ann Jeffers at the Southbank and at the Proms; recitals with Cora Burggraaf in Barcelona and Montreal, with Sally Matthews at the Concertgebouw, Angelika Kirchschlager at the Verbier Festival and with Karen Cargill at the Wigmore Hall.

Future plans include recitals with Patricia Bardon, Felicity Palmer, Mark Padmore and playing for Thomas Quasthoff's master classes at the Verbier Festival.