4 Founders Backed by WGI Group (2026)

WGI Group founders (4)

WGI Group founders covers 4 founders on AppNexus, OpenWeb and Yammer and 1 other companies. The most common sectors are SaaS (2), Advertising Technology (1) and Media (1). Members are based in 2 cities, led by New York, NY (3) and San Francisco, CA (1). Companies represented include Yext. Every founder below links to a profile with their company, backers, and the filings behind each round.

• Founders listed: 4
• Companies represented: 4
• Top sector: SaaS (2 founders)
• Top location: New York, NY (3 founders)
• Sectors represented: 3
• Locations represented: 2

• Brian O'Kelley — AppNexus
• David Sacks — Yammer
• David Siegel — Yext
• Shaan Puri — OpenWeb

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