Trump Administration Executive Order (EO) Tracker
Mary Anne Sullivan
Senior Counsel Global Regulatory
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Overview
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Experience
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Credentials
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Insights and events
Chambers Global"Vastly experienced energy attorney and 'well placed to advise clients on the major issues currently affecting the industry.'"
The energy regulatory environment is undergoing head-spinning change, as leaders in Washington pivot from a focus on climate change to “energy dominance.” Succeeding in this environment requires agility, broad perspective and insight. Mary Anne Sullivan's deep experience in energy and her sharp focus on emerging regulatory trends enable her to provide advice that is shaped by an understanding of the interrelationships across energy markets and regulatory agencies and is adapted to the demands of both the moment and the future.
Mary Anne's practice spans the energy spectrum. With her past government service as general counsel of the U.S. Department of Energy and her knowledge of the industry, she uses regulatory tools to advance her clients' interests. Whether in the development of new electric transmission or new nuclear reactor technology, addressing the impacts on the power market of data centers, or navigating energy efficiency enforcement trends, Mary Anne guides her clients through the regulatory thicket. She is at her best when helping her clients tackle their "one off" problems and succeed in their first-of-a-kind projects.
Mary Anne regularly writes and speaks on energy issues. Recognition by her peers includes invited speaker at the World Sustainability Conference in Abu Dhabi; past member of the Oak Ridge National Laboratory Technology Partnerships Advisory Board; speaker at the American Wind Energy Annual Conference; and C3E Ambassador for the DOE/MIT Women in Clean Energy Initiative.
Reuters, 2021"Excellent knowledge of the subject, great at getting to the crux of the issue, great at identifying problems and seeing how to resolve it, and interacting with the department of energy."
Representative experience
Represents manufacturers in energy efficiency standards compliance and enforcement matters.
Advises on projects involving federal loans, loan guarantees and financial assistance awards, across a broad array of energy technologies, totaling billions of dollars.
Advises clients on the structuring of and compliance with R&D agreements with national laboratories.
Advised a government entity on the restructuring of its electricity sector.
Representing the largest New England utility in the permitting of a cross-border electric transmission line.
Advising on Trump Administration Executive Orders affecting the energy industry.
Advising multiple clients on energy needs and impacts of data centers.
Advising on regulatory developments affecting offshore wind.
Advises on nuclear waste disposal issues and foreign participation in the U.S. nuclear sector.
Negotiated the first voluntary agreements to limit greenhouse gas emissions.
Credentials
Education
- B.A., Fordham University, summa cum laude
- J.D., Yale Law School
Bar admissions and qualifications
- District of Columbia
Court admissions
- U.S. Court of Appeals, District of Columbia Circuit
- U.S. Court of Appeals, Ninth Circuit
- U.S. District Court, District of Colorado
- U.S. Supreme Court
Memberships
- Board of Directors, Energy Bar Association
- Member, Department of Energy Contractor Attorneys Association
- Member, Energy and Environment Section, District of Columbia Bar Association
Recognition
News
Press releases
15 September 2022
Events
Hogan Lovells Events
16 November 2023 | 4:00 p.m. (GMT)
Hogan Lovells Events
23 May 2023 | 12:00 p.m. - 1:00 p.m. (ET)