3 Founders backed by WestRiver Group in Seattle, WA (2026)

Founders backed by WestRiver Group in Seattle, WA (3)

Founders backed by WestRiver Group in Seattle, WA covers 3 founders on Groopit, Lumen Bioscience and Pioneer Square Labs. The most common sectors are Biotech (1) and SaaS (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: Biotech (1 founders)
• Top location: Seattle, WA (3 founders)
• Sectors represented: 2

• Brian Finrow — Lumen Bioscience
• Geoff Entress — Pioneer Square Labs
• Tammy Savage — Groopit

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Other founder hubs

• Tuesday Capital (20 founders)
• Insight Partners (42 founders)
• Flybridge (27 founders)
• Icon Ventures (19 founders)
• Mayfield Fund (39 founders)
• Liquid 2 Ventures (26 founders)
• Connecticut Innovations (19 founders)
• True Ventures (37 founders)
• HTGF (High-Tech Gruenderfonds) (25 founders)
• Prelude Ventures (19 founders)
• Felicis (37 founders)
• Madrona (24 founders)
• Jump Capital (19 founders)
• Menlo Ventures (35 founders)
• GV (23 founders)
• S2G Investments (18 founders)
• Slow Ventures (34 founders)
• International Finance Corporation (23 founders)
• Legendary Ventures (18 founders)
• Gaingels (34 founders)
• AME Cloud Ventures (23 founders)
• Right Side Capital Management (18 founders)
• Matrix (32 founders)
• Great Oaks Venture Capital (22 founders)

Full founder directory · Investor directory · Company funding database

Narrow Seattle, WA founders

• Seattle, WA · AI Infrastructure (24 founders)
• Seattle, WA · SaaS (23 founders)
• Seattle, WA · Climate (18 founders)
• Seattle, WA · Biotech (14 founders)
• Seattle, WA · Cybersecurity (11 founders)
• Seattle, WA · Healthtech (9 founders)
• Madrona · Seattle, WA (8 founders)
• Seattle, WA · E-commerce (7 founders)
• Tom Alberg · Seattle, WA (7 founders)
• Tae Hea Nahm · Seattle, WA (6 founders)
• Seattle, WA · Developer Tools (6 founders)
• Seattle, WA · Real Estate (6 founders)
• Seattle, WA · Fintech (4 founders)
• Seattle, WA · Logistics (4 founders)
• Seattle, WA · Education (4 founders)
• Brad Feld · Seattle, WA (3 founders)
• Cameron Borumand · Seattle, WA (3 founders)
• Foundation Capital · Seattle, WA (3 founders)
• Seattle, WA · Robotics (3 founders)
• Voyager Capital · Seattle, WA (3 founders)
• Bill McAleer · Seattle, WA (3 founders)

Other founder hubs

• New York City, NY (62 founders)
• Philadelphia, PA (36 founders)
• San Carlos, CA (26 founders)
• Tallinn, Estonia (19 founders)
• Emeryville, CA (16 founders)
• Cleveland, OH (13 founders)
• Mountain View, CA (89 founders)
• Tokyo, Japan (50 founders)
• Pittsburgh, PA (30 founders)
• St. Louis, MO (22 founders)
• Tampa, FL (17 founders)
• Oxford, UK (15 founders)
• Los Angeles, CA (225 founders)
• Redwood City, CA (66 founders)
• Washington, DC (38 founders)
• Madrid, Spain (27 founders)
• Dublin, Ireland (19 founders)
• Bangalore, India (16 founders)
• Woburn, MA (13 founders)
• Berlin, Germany (121 founders)
• Toronto, Canada (57 founders)
• Barcelona, Spain (33 founders)
• Zurich, Switzerland (24 founders)
• Mumbai, Maharashtra, India (18 founders)

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