Ricardo Gerhard-Tuma

Senior Associate


Ricardo’s career has been devoted to public international law.  He advises States, international organisations and private clients on a wide range of contentious and non-contentious public international law issues and other complex problems. He has represented States before the International Court of Justice and acts regularly on behalf of private entities and States in large-scale and complex investor-State arbitrations. Ricardo has advised businesses on regulatory and litigation risks, as well as on the implementation of the U.N. Guiding Principles on Business and Human Rights.


Ricardo began his career in a leading global law firm, where he spent five years acting exclusively on behalf of States in international investment arbitration proceedings.  This was followed by a further five year period at a boutique London law firm specialising in public international law.  Throughout his career, Ricardo has advised clients on investment restructuring, treaty law, Business & Human Rights, sovereign and diplomatic immunities, international organisations, statehood, State succession, State responsibility, land and maritime delimitation, human rights, the law of war, international humanitarian law, international criminal law and sovereignty issues.  Ricardo’s experience spans throughout Latin America, the Caribbean, Europe, the Middle East, East Africa, Central Africa, West Africa, Central Asia and Southeast Asia.


Ricardo is a Mexican qualified lawyer. He holds a JD from the Universidad Nacional Autónoma de Mexico (summa cum laude) and an LL.M. from King’s College London (Chevening Scholar). He is fluent in English and Spanish. He remains actively involved in academia and is currently a Visiting Lecturer at The Dickson Poon School of Law at King’s College London, where he teaches international dispute resolution and international investment law to postgraduate students.