Jamie is a founding partner of onside law. He qualified into the Commercial department at Clifford Chance after a secondment to their Dubai office and in 2000 joined the dedicated sports group at Nicholson Graham & Jones. Latterly he spent five years as in-house counsel at IMG where he was principal legal advisor to IMG's tennis, sponsorship consultancy, fashion and models divisions throughout Europe.

Jamie advises on a wide range of commercial, intellectual property and regulatory matters across the sports and entertainment industries. Clients include the Rugby Football Union, British Athletics, the Lawn Tennis Association, Universal Music, the England and Wales Cricket Board and Premier Models as well as many high profile individuals including Jessica Ennis-Hill, Mark Cavendish, Sir Jackie Stewart, Sir Michael Parkinson and Heston Blumenthal.

Recently his practice has ranged from advising on high profile sponsorships for the England Cricket team and Team Sky, the sale of Roland Garros’ broadcast rights and appearing before the Court of Arbitration for Sport in Lausanne to secure a successful match fixing prosecution.

Jamie regularly speaks at conferences, writes articles and appears on television as a sports law expert. Both of the leading independent legal directories, Chambers and Legal 500, recommend him as a leading sports law practitioner. They describe him as "providing an amazingly efficient, straightforward service" and being a "knowledgeable and comforting presence to work with". He also sits as an independent advisor to the ECB’s Anti Corruption Commssion.