Tessa Hayes

Senior Associate, Geneva

+41 58 105 2000

thayes@lalive.law

Tessa Hayes

She advises and represents clients in complex disputes involving a range of industry sectors, including construction and energy. Tessa has experience in arbitrations under various institutional rules, including the ICC, ICSID, and SCC Rules, as well as in ad hoc proceedings.

Recent publications

Glencore v. Bolivia: A Long-Awaited Award Finds Expropriation and FET Breaches by the State
LUIS MIGUEL VELARDE SAFFER, TESSA HAYES
In: Kluwer Arbitration Blog, 5 March 2024

To Hot Tub or Not to Hot Tub?
TESSA HAYES
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, 2019

The Arbitral Tribunal’s Duty and Power to Address Corruption Sua Sponte
DOMITILLE BAIZEAU, TESSA HAYES
In: Andrea Menaker (Ed.), International Arbitration and the Rule of Law: Contribution and Conformity, ICCA Congress Series No. 19, Wolters Kluwer, 2017, pp. 225-265, 2017

Recent conferences

Juris Conferences – 12th Annual Investment Treaty Arbitration Conference
TESSA HAYES, Author/Speaker: To Hot Tub or Not to Hot Tub?
Washington, DC, 6 March 2018

Career history

  • Senior Associate, LALIVE, Geneva, 2024 – present
  • Associate, LALIVE, Geneva, 2016 – 2023
  • Knowledge Manager, LALIVE, Geneva, 2019 – present
  • Associate, Freshfields Bruckhaus Deringer, New York, 2014 – 2015
  • Summer Associate, Freshfields Bruckhaus Deringer, New York, 2013 – 2013
  • Summer Associate, Herbert Smith, 2012 – 2012

Academic qualifications

  • Juris Doctor, Harvard Law School, 2014
  • Certificate in Transnational Law, University of Geneva, 2014
  • Master in Translation, University of Geneva, 2009
  • Bachelor of Arts, Yale University (magna cum laude, with distinction in the major), 2004

Practices

  • Arbitration - International Commercial
  • Arbitration - Investment Treaty
  • Public International Law

Sectors

  • Construction & Infrastructure
  • Energy

Languages

  • English
  • French
  • German
  • Spanish
  • Russian
  • Italian
  • Portuguese

Nationality

  • American
  • Swiss

Admission

  • New York, 2015