Mark McMahon > Stewarts Law LLP > London, England > Lawyer Profile

Mark McMahon

+44 (0)20 7903 7977 mmcmahon@stewartslaw.com

Work Department

International Arbitration

Position

Mark specialises in international arbitration and has extensive experience representing clients in complex and high-value disputes in Europe, the Middle East, the Americas and Africa. He is described in the Legal 500 as a “standout” and “a fantastic lawyer… strategic and commercially aware with a real world savviness.”

Mark is an arbitration specialist, advising in international commercial and investor-state arbitrations. His practice is almost exclusively international and spans industries including construction, engineering and energy.

Mark has acted in disputes in multiple jurisdictions and has extensive experience in complex cross-border matters working on cases under all the major arbitration rules including ICC, LCIA, ICSID and UNCITRAL.

Mark is active in the international arbitration community, with a growing reputation amongst young practitioners. He is a committee member of the CiArb Young Member’s Group London Branch and is the Delos Guide to Arbitration Places (GAP) reviewer for Ireland. Mark is also a committee member of the Arbitration Ireland Young Practitioners Group and currently acts as an international mentor for the Istanbul Arbitration Centre.

Career

Mark studied law at University College Cork and University College London. He joined Stewarts in 2021. Prior to this, Mark trained and worked in the International Arbitration team of Mayer Brown, during which time he was seconded to the New York, Hong Kong and Dubai offices.

Memberships

Mark is a member of various arbitration and industry associations including:

• Young ICCA
• ICC YAF
• CiArb Young Members Group
• Arbitration Ireland
• Young ISTAC
• LCIA Young International Arbitration Group

Personal

Mark was born and raised in Ireland. He enjoys cooking, reading, and travelling and is an avid theatre-goer.