Mark Wassouf

Mark is a leading barrister practising in commercial litigation, international commercial and investment treaty arbitration, and public international law. He has substantial experience of both court and arbitration advocacy and accepts appointments as arbitrator.

Mark regularly acts in high-value and complex commercial disputes in the English courts and before arbitral tribunals, increasingly as sole or lead counsel. He is regularly instructed on claims in a broad range of sectors, including in financial services, energy, commodities, infrastructure and corporate M&A. He is particularly widely sought-after for his expertise in arbitration and public international law and has a great deal of experience acting on arbitration and public international law-related matters in the English courts, including on enforcement proceedings and the ful range of applications under the Arbitration Act 1996. Mark is also a seasoned arbitration practitioner. He is regularly instructed in commercial and investment treaty arbitrations conducted under the leading institutional rules, including the ICSID, ICC, LCIA, UNCITRAL, DIAC and SIAC rules. In particular, Mark has acted as counsel in over a dozen investment treaty arbitrations (with substantial experience acting, and securing victories, for both states and investors) and has been repeatedly identified by the directories as “one of the go to juniors in the field of international investment arbitration” in recent years. Mark is also a fluent Arabic speaker who is regularly sought for his knowledge of, and experience with disputes involving, the Middle East.