Greg Ciesielski
Managing Director at HarbourVest Partners
Boston, Massachusetts
Greg Ciesielski, Managing Director at HarbourVest Partners is an active investor based in Boston, Massachusetts. This profile covers what Greg Ciesielski backs, at which stage, and how founders can reach out in 2026.
- Investor type
- VCPEFund Of Funds
- Stages
- SeedSeries ASeries BLate Stage Venture
- Invests in
- Healthcare & Biotech
- Location
- Boston, Massachusetts
- Typical check
- $2M
- Past investments
- 96
Notable investments
Advance Health
Eaton
Genstar Capital
Ministry Brands
Erico Global
Clix Capital
Sepaton
Custom Ink
Innoveer Solutions
EssentraLionbridge Financing LeasingHow to reach Greg Ciesielski
Angels and operators like Greg Ciesielski reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded Accelerator.
Connect with Greg Ciesielski
Frequently Asked Questions
What does Greg Ciesielski invest in?
Greg Ciesielski invests in Healthcare & Biotech, typically at Seed, Series A, Series B and Late Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Greg Ciesielski invest at?
Greg Ciesielski typically invests at Seed, Series A, Series B and Late Stage Venture. Lead with traction that fits the stage when you reach out.
What is Greg Ciesielski's typical check size?
Greg Ciesielski typically writes checks around $2M. Use it as a signal for whether your raise fits their stage.
How do I contact Greg Ciesielski?
Unlock Greg Ciesielski's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.