Founders Backed by Jack Altman (2026)

Jack Altman founders (3)

Jack Altman founders covers 3 founders on Decagon, Didero and GPTZero. The most common sectors are SaaS (2) and AI Infrastructure (1). Members are based in 2 cities, led by New York, NY (2) and San Francisco, CA (1). Every founder below links to a profile with their company, backers, and the filings behind each round.

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

• Andrew Konya — Didero
• Joshua Brown — GPTZero
• Mitchell Green — Decagon

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