Marianne Lamont Horinko

Marianne Horinko
Administrator of the Environmental Protection Agency
Acting
In office
July 14, 2003 – November 5, 2003
PresidentGeorge W. Bush
Preceded byLinda Fisher (Acting)
Succeeded byMike Leavitt
Personal details
Born (1961-05-10) May 10, 1961 (age 63)
Everett, Massachusetts, U.S.
Political partyRepublican
EducationUniversity of Maryland, College Park (BS)
Georgetown University (JD)

Marianne Lamont Horinko (born May 10, 1961) served as Acting Administrator of the United States Environmental Protection Agency (EPA) from July 14, 2003 to November 5, 2003 during the first term of President George W. Bush. Prior to this appointment Horinko was Assistant Administrator for the Office of Solid Waste and Emergency Response (OSWER) at EPA, having been confirmed by the U.S. Senate on October 1, 2001. She continued on as Assistant Administrator until June 1, 2004.

Horinko, an author and speaker on environmental cleanup policy, is currently the President of the Horinko Group, an environmental consulting firm focused on sustainability. She made an unsuccessful bid for a Virginia state Senate seat in late 2009.