• Tongji University, LL.B. (2014)
  • University of California, Berkeley School of Law, LL.M. (2015)
  • Vanderbilt University Law School, J.D. (2017)


  • District of Columbia
  • New York


  • Mandarin (Native)

Siyi Shen


Siyi Shen is an associate in the Environment & Natural Resources Group in the Washington, D.C. office. Her practice covers regulatory counseling, litigation, and mediation involving major environmental statutes, including the Clean Air Act, Clean Water Act, RCRA, and CERCLA, with an emphasis on climate change, air quality, and sustainability. Siyi also has significant experience with ESG disclosure and California’s clean air and climate law, policy, and governance.

Siyi maintains an active pro bono practice, advising non-profit organizations on ESG and climate change issues involving product sustainability certifications, voluntary carbon markets, and climate-friendly employee benefits.

Prior to joining Crowell & Moring, Siyi was an attorney and researcher with one of the nation’s leading think tanks on environmental and climate change matters, where her work focused on carbon emissions trading system in California, climate change insurance law, and global plastic waste trade.


Professional Activities and Memberships

  • Vice Chair, Climate Change, Sustainable Development, and Ecosystems Committee—American Bar Association’s Section on Energy, Environment, and Resources


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