Graham is a consultant for the corporate and finance group in Guernsey where he was previously head and senior partner until December 2016. He is among the most respected investment funds and finance lawyers internationally and has been in professional practice for over 35 years.

Graham is instructed by the world's leading banks, financial sponsors, corporates and private fund clients, including private equity firms. His client portfolio also includes a broad range of listed entities.  He has worked on many of the most significant investment funds, finance and wider corporate transactions to have involved Guernsey. Graham has been selected to advise the States of Guernsey and has contributed to much of Guernsey's company, tax and investment funds legislation during his career so far.

Graham is a Solicitor of the Supreme Court of England and Wales. He joined Carey Olsen in 1990 from a London firm of solicitors when he also qualified as an Advocate of the Royal Court of Guernsey. He became a partner in 1995 and retired to the role of consultant in 2016.