Raya B. Treiser


Treiser, Raya

Raya Treiser advises clients on a variety of environmental regulatory and natural resources matters. Ms. Treiser spent several years in the Department of the Interior and the White House, where she helped shape the policies that govern the development of energy and infrastructure projects on public lands and the Outer Continental Shelf.

Ms. Treiser was part of the core team responsible for the comprehensive reform of offshore drilling regulations following the 2010 Gulf of Mexico oil spill. She went on to serve as Counselor to the Deputy Secretary of the Interior, where she helped implement the Department's policies on on-shore and off-shore energy development, landscape-scale mitigation, and energy development in Alaska. In 2013, Ms. Treiser was selected by White House staff to lead a government-wide initiative under President Obama's Executive Order 13604 to streamline the federal permitting of large infrastructure projects, including energy generation, electricity transmission, oil and gas pipelines, surface transportation, aviation, ports and water resources projects.

Since returning to private law practice, Ms. Treiser has successfully leveraged her substantive knowledge and insight into government processes to help clients secure federal, state and local permits and authorizations for energy and infrastructure projects, including renewable energy, electricity transmission, mining, LNG export terminals and mass transit projects. Ms. Treiser also advises ski areas and recreation facilities on a variety of public lands and permitting issues.

Professional Activities

Ms. Treiser is the incoming co-chair of the Public Land and Resources Committee of the ABA's Section of Environment, Energy, and Resources. 

Honors & Awards

Publications & News


November 9, 2017

Key Takeaways From WilmerHale's Recent Women in Energy and Infrastructure Conference

On November 2, WilmerHale held its inaugural Women in Energy and Infrastructure–Powering the Future conference in Washington DC. The event and pre-conference dinner drew more than 100 attendees and provided a forum for women thought leaders to discuss legal and policy issues impacting energy and infrastructure companies and exchange ideas related to powering development. Speakers included senior government officials, in-house counsel, government affairs representatives, agency and Congressional staff, and other influencers.

September 25, 2017

Court Holds Project Construction Constitutes “Mining” on Tribal Lands

Last week, the United States Court of Appeals for the Tenth Circuit held that excavation work performed by a private company when installing wind turbines constituted “mining” under the federal regulation governing mineral development on tribal land. This is an interesting and noteworthy decision for anyone involved in developing energy projects (both renewable and conventional) on tribal lands.

September 18, 2017

Council on Environmental Quality Releases Initial List of Actions to Streamline NEPA Reviews

Last week, the Deputy Secretary of Interior, David Bernhardt, issued a memo directing the Department's bureaus to streamline environmental impact statements prepared pursuant to the National Environmental Policy Act.

September 7, 2017

Interior Department Issues NEPA Streamlining Directive

Last week, the Deputy Secretary of Interior, David Bernhardt, issued a memo directing the Department's bureaus to streamline environmental impact statements prepared pursuant to the National Environmental Policy Act.

August 28, 2017

DC Circuit Holds FERC Must Analyze Downstream Greenhouse Gas Emissions in Approving Interstate Gas Pipelines

Last week, the United States Court of Appeals for the District of Columbia Circuit issued an opinion in Sierra Club v. FERC, No. 16-1329 (D.C. Cir. Aug. 22, 2017), concluding that the Federal Energy Regulatory Commission, when analyzing the environmental effects of an interstate natural gas pipeline under the National Environmental Policy Act, is required to analyze the greenhouse gas emissions from power plants that burn the natural gas to be transported in the pipeline.

August 22, 2017

Executive Order Reinforces Measures to Reform Infrastructure Project Review

On August 15, President Trump signed an Executive Order calling for streamlined federal review of major infrastructure projects. The Order builds on prior efforts to streamline infrastructure permitting by setting new goals for federal reviews of covered projects and establishing formal methods to hold agencies accountable for the efficiency of their reviews.

August 16, 2017

WilmerHale Lawyers Named Among the 2018 Best Lawyers in America®, Nine Recognized as Lawyers of the Year

Best Lawyers in America®—the oldest and most respected peer-review publication in the legal industry—recognizes 107 WilmerHale lawyers and names nine partners as Lawyers of the Year in its 24th edition.

June 2, 2017

Raya Treiser Named Co-Chair of ABA’s Public Land and Resources Committee

Treiser will help make decisions regarding the ABA's approach to public land issues as it advocates on behalf of its members and provides them with continuing legal education.

January 25, 2017

Agencies Chart the Future of US Offshore Wind Development

In this article published by Pratt's Energy Law Report, Mark Kalpin, Michael Hazel, Bonnie Heiple and Raya Treiser discuss a national strategy recently announced by the US Departments of Energy and the Interior to facilitate the responsible development of offshore wind energy in the United States.

December 15, 2016

WilmerHale ENsights: With Energy-Related Cabinet Nearly Filled, Nominations Foreshadow New Direction

President-elect Donald Trump's nominees to lead his energy, environment and natural resources teams are proving the old adage “Personnel is policy” true.


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JD, cum laude, Georgetown University Law Center, 2009

Master in Global Business Law, Sorbonne Law School and Sciences Po, 2008

BS, magna cum laude, School of Foreign Service, Georgetown University, 2005

Bar Admissions

District of Columbia

New York

Government Experience

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