Wynn was born in Philadelphia, Pennsylvania. He was educated at the University of Pittsburgh, Howard University and Georgetown University. He was a lawyer, director of Prince George's County, Maryland's consumer protection commission, and a member of the Maryland House of Delegates and the Maryland State Senate before entering the House.

Rep. Wynn was elected to the House of Representatives in 1992 from the fourth congressional district of Maryland. Wynn is a known advocate for federal employees and small business development. Throughout his tenure in Congress, Wynn has worked towards protecting the salaries and benefits of federal employees and towards ending discrimination in the federal work force. Wynn has co-sponsored legislation aimed towards increasing the minimum wage, offering more job training and increasing access to child care.

During the 105th Congress, Wynn successfully sponsored legislation passed to improve federal contracting opportunities for small and minority businesses. Recently, during the 107th Congress, Wynn introduced additional contracting legislation. He has twice received the Small Business Administration Administrator's Leadership Award for his efforts on behalf of small businesses.

In the community, Rep. Wynn sponsors an annual job fair, federal procurement fair and business expo, a college financial aid workshop, and a student leadership workshop. He also coordinates food distributions for the less fortunate every Thanksgiving and Christmas.

Wynn has frequently issued strong statements of support for amnesty for illegal aliens. He spoke at the Washington, D.C. Immigration Rally in April 2006, condemming H. R. 4437 and other bills that aim to curtail illegal immigration. On Wynn's official website, he says "Now that they are in this country, we owe them respect and fair treatment." ]

Wynn was interviewed by Stephen Colbert as part of his Better Know A District segment on his show on Comedy Central, The Colbert Report, on April 20th, 2006.

Rep. Wynn currently serves on the following U.S. House committees:

Member of the Energy and Commerce Committee. Member of the Subcommittee on Energy and Air Quality. Member of the Subcommittee on Telecommunications and the Internet. Member of the Subcommittee on Environment and Hazardous Waste. Chairman of the Congressional Black Caucus Task Force on Campaign Finance Reform. Chairman of the Caucus Minority Business Task Force. Campaign contribution records show that Rep. Wynn's leading sources of campaign contributions are electric utilities, real estate agents, and law firms. ]

Rep. Wynn resides in Mitchellville, Maryland.