Reiss (born June 12, 1957) is a senior American diplomat who is the President and CEO of the Colonial Williamsburg Foundation in Virginia.
Immediately prior to this post, he served a tenure of four years as the 27th president of Washington College in Chestertown, Maryland.
He served as Director of Policy Planning at the United States Department of State under Colin Powell.
He also served as the United States Special Envoy for Northern Ireland, with the diplomatic rank of Ambassador, until stepping down in 2007.
He has degrees from Williams College, The Fletcher School of Law and Diplomacy, Columbia University Law School and Oxford.
He was also selected to be a White House Fellow and was assigned to the National Security Council, where he worked both for Brent Scowcroft and Colin Powell.
He was Chief Negotiator in the Korean Peninsula Energy Development Organization, an organization set up by the United States, South Korea, and Japan to implement the Agreed Framework on preventing nuclear proliferation on the Korean peninsula.
He has served on the National Security Council, the Council on Foreign Relations, the Ford Foundation, the Cambridge Institute for Applied Research, the State Department, Lawrence Livermore National Laboratory and Los Alamos National Laboratory.
Previously, he was Vice-Provost for International Affairs, Professor of Law at the William and Mary Law School, and Professor of Government in the Department of Government at the College of William and Mary.
He is a member of the Mission Essential Personnel Board of Advisors.As a Special Envoy to Northern Ireland, he played an important role in the Northern Ireland peace process.
In March 2015 Reiss said, "At Colonial Williamsburg, we well know that a Nation's past is a foundation for its future.
It was here that the idea of American independence was first established, where our founding democratic institutions were conceived, and where our foundational values of human dignity and religious and economic liberty were first given voice.
All that we are today-and hope to be tomorrow-started here."As Colonial Williamsburg President & CEO, Reiss manages $1.1 billion of assets, including 88 original and approximately 500 reconstructed buildings across 301 acres, the John D.
Rockefeller Jr.
Library, 67,000 American and British antiques and works of art, 60 million archaeological artifacts, six hotel properties, 11 restaurants, a spa, three golf courses, and 18 retail stores.
He administers an annual budget of $200 million, leads 2,000 employees and 1,000 volunteers, and stewards over 110,000 donors.
In his first three years at Colonial Williamsburg, Reiss worked to restructure the Colonial Williamsburg Foundation's business operations.
Results have included increased revenue, reduced endowment draw, reversing a decades-long decline in ticket sales, attracting a record number of new donors, and setting new fundraising records.
In 2017, Reiss secured Colonial Williamsburg's reaccreditation with the American Alliance of Museums, and Colonial Williamsburg was named to Forbes list of America's Best Mid-Size Employers.
In 2018, Colonial Williamsburg received the USA TODAY 10 Best's "Best Virginia Attraction" award, and the Williamsburg Inn earned the Forbes Fifth Star as well as AAA's Five Diamond Award.Reiss was also Governor Mitt Romney's national security advisor during his 2008 and 2012 presidential bids.
Mitchell is married to Elisabeth Reiss; they have two adult children.