Lynne Chou O'Keefe is Founder and Managing Partner at Define Ventures, with prior roles in venture capital, healthcare, and finance. She focuses on healthcare technology and digital health investments.
What Lynne can write
Define Ventures writes $1M to $10M checks, larger than 83% of firms in the atlas.
Bars: how many firms report each check band. Highlighted: Define Ventures.Career
- Goldman Sachs · Mergers and Acquisitions Investment Banking
- Apax Partners · Enterprise Software Venture
- Abbott Vascular / Guidant · Product Marketing Leadership Roles
- Kleiner Perkins · Senior Partner Healthcare Venture
- Define Ventures · Founder & Managing PartnerNow
Companies founded
Investments named in public bios
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Raising a pre-seed or seed round? We write $1M to $5M first checks and help founders with distribution. A partner reads every deck.
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Who is Lynne Chou O'Keefe?
Lynne Chou O'Keefe is Founder and Managing Partner at Define Ventures, with prior roles in venture capital, healthcare, and finance. She focuses on healthcare technology and digital health investments.
How much does Lynne Chou O'Keefe invest?
Lynne Chou O'Keefe invests through Define Ventures, which writes checks of $1M to $10M at seed, series a.
How do I pitch Lynne Chou O'Keefe?
A warm intro from a founder Define Ventures backed works best.
What did Lynne Chou O'Keefe do before Define Ventures?
Mergers and Acquisitions Investment Banking at Goldman Sachs; Enterprise Software Venture at Apax Partners; Product Marketing Leadership Roles at Abbott Vascular / Guidant; Senior Partner Healthcare Venture at Kleiner Perkins.
Last updated 2026-10-15. Is this you? Ask for a correction.