David Thornburgh is president and CEO of Committee of Seventy.

Young, old or somewhere in the middle, they‘re united by a passion to foster democratic engagement.

David Thornburgh, President and CEO of the Committee of Seventy. Thornburgh is Managing Director of Draw the Lines. He is an accomplished and respected civic entrepreneur who has been running public-private civic organizations for almost 30 years. Before coming to the Committee of Seventy in 2014, he led the University of Pennsylvania’s Fels Institute of Government, the graduate program in public policy and public management. For 12 years before that he led the Economy League of Greater Philadelphia, which spearheaded important regional initiatives to increase college attainment, grow jobs, slow suburban sprawl, and build support for arts and culture. A lifelong Pennsylvanian, he is also the second son of former Republican Gov. and US Attorney General Dick Thornburgh.

Justin Villere, DTL Managing Director. Villere has completed various freelance project management assignments with Seventy since 2016, including American Experiments and Voices of Voting, both produced during the Democratic National Convention. Villere previously served as the managing director of Bike & Build, a Philadelphia-based nonprofit that engaged young adults in volunteer service through long-distance cycling events.

Draw the Lines works with Denny Civic Solutions, a communications consulting firm out of Pittsburgh.

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Special thanks to Chris Satullo, the co-founder and former director of Draw the Lines. He's also responsible for much of the copy written on this website.

The Draw the Lines website was designed by P'unk Avenue, a Philadelphia web development firm.

Web production done by Don Henry and Denis Devine.

The DistrictBuilder mapping tool is a product of Azavea, a Philadelphia mapping/GIS firm.

Social media consulting for Draw the Lines done by Witty Gritty.

Thanks also to Committee of Seventy digital fellows Andy Tisdale and Adrienne Hines.