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David Briefstein

  • Head of Accelerate
  • San Francisco

David’s metrics-driven mindset and consumer-focused creative eye make Comcast Ventures newest program, Accelerate, hum. The program helps startups break into television advertising as a customer acquisition channel, which he helped pioneer and fine tune as the CRO of Madison Reed, a Comcast Ventures’ portfolio company and one of the program’s first participants. He’s filled a variety of senior leadership roles at SiriusXM, PlasmaNet, Washington Mutual and Home Value Protection. He graduated from the University of Minnesota’s Carlson School of Management.