Government Experience

  • Department of Energy—Attorney-Adviser, 2015 – 2020
  • Federal Mine Safety and Health Review Commission —Law Clerk, 2014
  • Environmental Protection Agency—Intern, CERCLA Division, 2012 – 2013


  • State University of New York at Albany, B.A. (2011)
  • Howard University School of Law, J.D. (2015)


  • District of Columbia
  • Virginia

Felicia L. Isaac


Felicia L. Isaac is an associate in Crowell & Moring’s Washington, D.C. office, where she practices in the Energy and Environment & Natural Resources groups. Felicia is both a counselor and litigator whose practice focuses on global product stewardship, responsible sourcing, and corporate sustainability.

Prior to joining Crowell & Moring, Felicia practiced as an environmental attorney within one of the nation’s premier environmental law firms and served as an attorney-advisor at the U.S. Department of Energy Office of General Counsel. In her prior work, she advised clients across a range of industry sectors on environmental, social and governance (ESG) disclosures and provided strategic counseling to clients on corporate sustainability-related goals, initiatives, and advertisement. Felicia also has significant experience with civil and criminal enforcement under the Clean Water Act, Clean Air Act, and CERCLA.

During her time with the Department of Energy, Felicia provided statutory analysis and guidance to senior Departmental management on issues pertaining to fiscal law, data privacy, ethics, constitutional law, and federal appropriations. She also advised Department officials on pending and proposed legislation developed by members of Congress or federal agencies and provided counsel on relevant Freedom of Information Act and Privacy Act litigation.

While in law school, Felicia worked on the Department of Justice’s Clemency Project, which aided inmates seeking clemency in support of the Attorney General’s initiative for prison reform. Felicia has also worked as a law clerk for the Defense Intelligence Agency, the Revitalizing Auto Communities Environmental Response Trust, the Federal Mine Safety and Health Review Commission, and the Environmental Protection Agency.


Professional Activities and Memberships

  • Washington Bar Association, Young Lawyers Division, Professional Development Chair

Speeches & Presentations


  • "ESG In The Metaverse: An Opportunity To Rethink Sustainability," Bloomberg Law (March 9, 2023). Authors: Preetha Chakrabarti, Tiffany Aguiar, Helen O. Ogunyanwo, and Felicia L. Isaac.
  • "ESA Listing Change Shows Conservation Partnership Benefits," Law360 (November 21, 2022). Authors: Elizabeth B. Dawson, and Felicia Isaac.
  • "Supreme Court Finds Fifth Amendment Taking in State Regulation Granting Access to Private Property," The National Law Review (June 24, 2021). Authors: Gus B. Bauman, Eric L. Klein, James B. Slaughter, and Felicia L. Isaac.
  • "Climate Change is Hurting Expectant Black Mothers," American Bar Association (April 9, 2021). Author: Felicia Isaac.
  • "U.S. Department of Energy Looks to Reinvigorate Appliance and Equipment Standards Program," The National Law Review (March 11, 2021). Authors: Daniel Eisenberg, Felicia Isaac.

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