Ronald Jay Tenpas
  • Energy, Oil & Gas Law, Environmental Law, White Collar Crime
  • District of Columbia, Maryland
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Practice Areas
    Energy, Oil & Gas Law
    Utilities
    Environmental Law
    White Collar Crime
Jurisdictions Admitted to Practice
District of Columbia
District of Columbia Bar
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Maryland
Maryland Court of Appeals
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Professional Experience
Partner — Environmental & Natural Resources
Vinson & Elkins LLP
Current
Assistant Attorney General
U.S. Department of Justice, Environment and Natural Resources Division, Environmental Enforcement Section
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Associate Deputy Attorney General
U.S. Department of Justice, Environment and Natural Resources Division, Environmental Enforcement Section
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United States Attorney
U.S. Attorney’s Office for the Southern District of Illinois
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Assistant United States Attorney
U.S. Attorney’s Office for the District of Maryland
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Assistant United States Attorney
U.S. Attorney’s Office for the Middle District of Florida
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Judicial clerk to The Honorable Howard Holtzmann
Iran-United States Claims Tribunal – The Hague, Netherlands
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Judicial clerk to The Honorable William H. Rehnquist, Chief Justice
U.S. Supreme Court
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Judicial clerk to The Honorable Judge Louis H. Pollak
U.S. District Court for the Eastern District of Pennsylvania
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Education
University of Virginia School of Law
J.D. (1990)
University of Virginia School of Law Logo
University of Oxford, Balliol College
B.A. (1987)
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Michigan State University
B.A. (1985)
Honors: with high honors
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Awards
Selected to the Washington, D.C. Super Lawyers list
Super Lawyers
Who’s Who Legal
Who’s Who
Who’s Who Legal (Law Business Research Ltd.), Environment
Edmund J. Randolph Award for Outstanding Service
U.S. Department of Justice
The Best Lawyers in America, Litigation – Environmental
Best Lawyers
2017–2021
Legal 500 U.S.
Legal 500
Legal 500 U.S., Environment: Litigation, 2014, 2016, 2019; Corporate Investigations and White-Collar Criminal Defense, 2019; Environment: Regulatory, 2019
Professional Associations
American Bar Association
Council Member
Current
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American Association of Rhodes Scholars
Member
Current
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District of Columbia Bar
Member
Current
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Maryland State Bar
Member
- Current
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Websites & Blogs
Website
Contact & Map
Vinson & Elkins
2200 Pennsylvania Avenue NW
Suite 500 West
Washington, DC 20037
Telephone: (202) 639-6791
Fax: (202) 879-8981
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