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Tessa Hayes

Associate and Knowledge Manager


New York, 2015


American, Swiss


English , French , Italian , Spanish , Portuguese , German , Russian


35, Rue de la Mairie
P.O. Box 6569
1211 Geneva 6


+41 58 105 2000

Tessa Hayes joined LALIVE in 2016 as an associate, representing clients in international commercial and investor-state arbitrations in a variety of sectors. In 2019 she became knowledge manager, working to ensure the effective sharing and management of information and expertise within the firm’s international arbitration group.

Before joining the firm, she was a member of the dispute resolution group at Freshfields Bruckhaus Deringer in New York.

Tessa received her J.D. (Juris Doctor) from Harvard Law School. She also holds a bachelor’s degree in comparative literature from Yale University, as well as a master’s degree in translation and a Certificate in Transnational Law, both from the University of Geneva.


To Hot Tub or Not to Hot Tub?

Tessa Hayes, 2019

In: Meriam N. Alrashid, Kabir Duggal, Miriam Harwood and Todd J. Weiler (eds.), Investment Treaty and International Law, Volume 12, Juris Publishing, 2019, pp. 273-291

Juris Conferences

12th Annual Investment Treaty Arbitration Conference

06/03/2018 Washington D.C Tessa Hayes Author/Speaker: To Hot Tub or Not to Hot Tub?