Desmond joined Price Waterhouse (now PwC) from Cambridge University in 1970 becoming an audit Partner in 1983 and working mainly with large oil companies. He retired in 2004.
Since retirement he spent nine years as a member of the Financial Reporting Review Panel. He is a Governor of Ripley Court School and of Abbots Hospital in Guildford.
Desmond was a Trustee of Helen Arkell Dyslexia Centre in Frensham for twelve years and a Governor of Argyle Primary School in Camden from 2000 to 2012. He has been the Finance Director of the Ripley Farmers Market since its inception 13 years ago.