Mark acts in a broad range of disputes across various sectors (notably private equity and financial services, aviation, energy and sports), with a particular focus on insolvency and investment valuations. 

His work almost always encompasses cross-jurisdictional elements, and he is often involved in global disputes proceeding in various forums around the world, both as global co-ordinating counsel and local Cayman Islands counsel. He has particular expertise co-ordinating global documentary discovery efforts, including in hostile jurisdictions such as the PRC. 

Mark is currently engaged in several billion-dollar investment valuation cases which are proceeding before the Grand Court of the Cayman Islands.