Holly Pearen

Senior Attorney

Areas of expertise: Oil & Gas, Produced water beneficial use & recycling, Wastewater treatment, Pipeline regulation


Holly Pearen is a Senior Attorney for EDF's US Climate and Energy program, where she focuses on oil and gas regulation and policy. Holly works with stakeholders in key states and federal agencies to improve environmental performance and oversight of oil and gas production activities, with specific focus on mitigating potential impacts from oil and gas infrastructure.


Prior to EDF, Holly worked in the Department of the Interior’s Office of the Solicitor, counseling BLM and NPS on issues related to oil and gas leasing, and in private practice.


  • Lewis & Clark Law School , J.D.
  • University of Wisconsin-Madison, B.A., Economics, with honors
  • London School of Economics, General Course


Boulder, Colorado office

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Media Contact

Kelsey Robinson
(512) 691-3404 (office)
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