Tessa Opalach represents clients in the energy, environment and natural resources space facing interactions with regulators, investigations and litigation. Prior to joining the firm, she clerked for the Honorable Nanette K. Laughrey of the US District Court for the Western District of Missouri. During law school, Ms. Opalach served as a research assistant for three UC Davis law professors and a legal intern in the California State Water Resources Control Board’s Office of Chief Counsel.

Insights & News


  • Education

    • JD, University of California, Davis School of Law, 2020

      Senior Articles Editor, UC Davis Law Review, Co-Chair, Environmental Law Society
    • BA, International Relations, History, and Spanish, University of California, Davis, 2015

  • Admissions

    • California

  • Clerkships

    • The Hon. Nanette K. Laughrey, US District Court for the Western District of Missouri, 2020 - 2021



Unless you are an existing client, before communicating with WilmerHale by e-mail (or otherwise), please read the Disclaimer referenced by this link.(The Disclaimer is also accessible from the opening of this website). As noted therein, until you have received from us a written statement that we represent you in a particular manner (an "engagement letter") you should not send to us any confidential information about any such matter. After we have undertaken representation of you concerning a matter, you will be our client, and we may thereafter exchange confidential information freely.

Thank you for your interest in WilmerHale.