2 Founders Backed by David Bookspan (2026)

David Bookspan founders (2)

David Bookspan founders covers 2 founders on Constant Contact and SeatGeek. The most common sectors are Media (1) and SaaS (1). Members are based in 2 cities, led by New York, NY (1) and Waltham, MA (1). Every founder below links to a profile with their company, backers, and the filings behind each round.

• Founders listed: 2
• Companies represented: 2
• Top sector: Media (1 founders)
• Top location: New York, NY (1 founders)
• Sectors represented: 2
• Locations represented: 2

• David Klein — Constant Contact
• Nick D'Agostino — SeatGeek

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