3 Founders backed by Mark Siegel in New York, NY (2026)

Founders backed by Mark Siegel in New York, NY (3)

Founders backed by Mark Siegel in New York, NY covers 3 founders on OpenRouter, Runwise and Slingshot AI. The most common sectors are AI Infrastructure (1), Climate (1) and Healthtech (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: AI Infrastructure (1 founders)
• Top location: New York, NY (3 founders)
• Sectors represented: 3

• Alex Atallah — OpenRouter
• Jeffrey Carleton — Runwise
• Neil Parikh — Slingshot AI

More Mark Siegel founders · Full founder directory

Narrow Mark Siegel founders

• Mark Siegel · San Francisco, CA (3 founders)

Other founder hubs

• Lucas Mann (15 founders)
• Michael McMahon (16 founders)
• Freada Kapor Klein (16 founders)
• Maryanna Saenko (17 founders)
• Donald Dixon (17 founders)
• James Nahirny (17 founders)
• Amish Jani (17 founders)
• James Robinson (18 founders)
• Luke Nosek (19 founders)
• Steve Lebow (20 founders)
• David Solomon (21 founders)
• Tom Morgan (22 founders)
• Hany Nada (23 founders)
• Linda Rottenberg (24 founders)
• Alex Finkelstein (27 founders)
• Jeff Clavier (29 founders)
• David Tisch (34 founders)
• Tae Hea Nahm (134 founders)
• Tom Alberg (16 founders)
• Keith Kravcik (16 founders)
• William Lohse (17 founders)
• Alan Patricof (17 founders)
• Logan Allin (17 founders)
• Paul Allen (17 founders)

Full founder directory · Investor directory · Company funding database

Narrow New York, NY founders

• Tribeca Venture Partners · New York, NY (3 founders)
• Kleiner Perkins · New York, NY (6 founders)
• Arthur Patterson · New York, NY (4 founders)
• North Atlantic Capital · New York, NY (3 founders)
• FJ Labs · New York, NY (8 founders)
• Joseph Melohn · New York, NY (4 founders)
• Jackson Cummings · New York, NY (3 founders)
• New York, NY · Media (32 founders)
• Venrock · New York, NY (5 founders)
• Doug Chertok · New York, NY (3 founders)
• David Hirsch · New York, NY (3 founders)
• Greycroft · New York, NY (6 founders)
• David Krane · New York, NY (4 founders)
• Lucas Teuchner · New York, NY (3 founders)
• Great Oaks Venture Capital · New York, NY (8 founders)
• Barry Eggers · New York, NY (4 founders)
• Renske (van Staveren) Lynde · New York, NY (3 founders)
• New York, NY · Cybersecurity (51 founders)
• Moshe Bellows · New York, NY (5 founders)
• Origin Ventures · New York, NY (3 founders)
• Dougal Cameron · New York, NY (3 founders)
• Index Ventures · New York, NY (6 founders)
• Mu Ventures · New York, NY (4 founders)
• Revolution · New York, NY (3 founders)
• David Fialkow · New York, NY (8 founders)
• Constance Freedman · New York, NY (4 founders)
• 645 Ventures · New York, NY (3 founders)
• New York, NY · E-commerce (95 founders)
• David Beatty · New York, NY (5 founders)
• SVB Capital · New York, NY (3 founders)

Other founder hubs

• Bengaluru, India (56 founders)
• Lehi, UT (18 founders)
• Mountain View, CA (89 founders)
• Copenhagen, Denmark (23 founders)
• San Francisco, CA (1,425 founders)
• Bellevue, WA (30 founders)
• Santiago, Chile (15 founders)
• Mexico City, Mexico (38 founders)
• Orlando, FL (17 founders)
• Redwood City, CA (66 founders)
• Burlingame, CA (20 founders)
• Seattle, WA (147 founders)
• Minneapolis, MN (27 founders)
• Auckland, New Zealand (13 founders)
• Philadelphia, PA (36 founders)
• Shanghai, China (16 founders)
• Toronto, Canada (57 founders)
• Buenos Aires, Argentina (19 founders)
• Brooklyn, NY (101 founders)
• Singapore (24 founders)
• Pleasanton, CA (13 founders)
• Pittsburgh, PA (30 founders)
• Detroit, MI (15 founders)
• Berkeley, CA (44 founders)

Full founder directory · Investor directory · Company funding database