Mark Steitz founded TSD Communications in 1993. At TSD, Mark has directed strategic communications efforts for clients including the Athens 2004 Olympic Bid and Organizing Committees, The Hartford Financial Services Group, Chartwell Investments, and The Body Shop.

Prior to founding TSD, Mark served as Director of Communications at the Democratic National Committee under Chairman Ronald H. Brown. In this capacity, he directed the party's communications efforts at the 1992 Democratic National Convention in New York and led the Democratic response team at the Republican convention in Houston. He designed the Clinton campaign's free media targeting systems in both 1992 and 1996. After the 1992 election, Mark served as a policy leader of Secretary of Commerce-designate Brown's transition team.

Mark also served as the Director of Research at the Democratic National Committee, where he led the successful effort to collect, formulate and articulate the content that would define and drive the Democratic message.

An economist by training, Steitz worked at the Congressional Budget Office from 1978 to 1986 as an industrial and tax policy analyst. He won the Director's Award for Outstanding Service from Dr. Alice Rivlin in 1979 for his work modeling the Crude Oil Windfall Profits Tax.

Mark Steitz is also a co-founder and principal of Copernicus Analytics (www.copernicusanalytics.com), which provides analytic support to progressive political candidates and causes using database marketing and testing techniques.

Mark has an MA in Economics from Yale University and a BA from St. John's College in Annapolis.