Mark Steitz founded TSD Communications in 1993. Mark directs strategic communications efforts for a wide range of businesses, progressive organizations and campaigns. Mark’s current clients include financial firms, research organizations, and foundations.

Mark is a leader in the field of political testing and targeting. He is a founding Board member of the Analyst Institute, which conducts randomized controlled experiments for progressive campaigns and causes. He is a Senior Advisor to Catalist, the progressive voter database company which he helped found. He co-founded Copernicus Analytics (now part of Catalist) and QRS New Media. He is also on the advisory board of Greenberg Quinlan Rosner Research.

Mark and TSD developed international communications strategy for the Athens 2004 Olympics from the bidding process in 1997 through the Games. Mark oversaw international and crisis communications for the global retailer The Body Shop between 1993 and 1996.

Mark was Director of Communications and Research at the Democratic National Committee under Ron Brown, developed the free media and scheduling targeting system for the 1992 Clinton campaign, and previously worked on the Presidential campaigns of Reverend Jesse Jackson and Senator Gary Hart.

An economist by training, Steitz was Chief Economist in the office of Senator Hart and worked at the Congressional Budget Office from 1978 to 1986 as an industrial and tax policy analyst. Mark has an MA in Economics from Yale University and a BA from St. John's College in Annapolis.

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