Mark is Chief Executive of Crocus and has worked with many of the top garden designers over the last 20 years, building over 30 show gardens at the RHS Chelsea Flower Show and winning 29 Gold Medals and 11 Best in Shows. Between 2009 and 2019 he was a Trustee on the RHS Council as well as serving on the RHS Commercial Board, the Investment Board and the Nominations and Governance Board. He became a Vice-President of the RHS in 2019. He is currently the Chairman of the Garden Museum and a Trustee of the Chatsworth House Trust.