Leonard Feiner

Active Investor

Principal at Bain Capital

Ridgewood, New Jersey

Leonard Feiner, Principal at Bain Capital is an active investor based in Ridgewood, New Jersey. This profile covers what Leonard Feiner backs, at which stage, and how founders can reach out in 2026.

Leonard Feiner is a Principal at Bain Capital Life Sciences and a Medical Doctor at NJRetina, with extensive experience in clinical trials.

Leonard Feiner invests in Healthcare & Biotech, Digital Health & HealthTech and Biotech & Pharma, typically at Early Stage Venture and Late Stage Venture.

Investor type
VC
Stages
Early Stage VentureLate Stage Venture
Invests in
Healthcare & BiotechDigital Health & HealthTechBiotech & Pharma
Location
Ridgewood, New Jersey
Typical check
$3.8M

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About this profile

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Round Funded. "Leonard Feiner." Round Funded investor database, updated November 3, 2026.

Stable URL, it will not change: https://www.roundfunded.com/en/investor/leonard-feiner

Frequently Asked Questions

Who is Leonard Feiner?

Leonard Feiner, Principal at Bain Capital is an active investor based in Ridgewood, New Jersey. Leonard Feiner invests in Healthcare & Biotech, Digital Health & HealthTech and Biotech & Pharma, typically at Early Stage Venture and Late Stage Venture.

What does Leonard Feiner invest in?

Leonard Feiner invests in Healthcare & Biotech, Digital Health & HealthTech and Biotech & Pharma, typically at Early Stage Venture and Late Stage Venture. Match your sector and stage, then reach out with a personalized pitch.

What stage does Leonard Feiner invest at?

Leonard Feiner typically invests at Early Stage Venture and Late Stage Venture. Lead with traction that fits the stage when you reach out.

What is Leonard Feiner's typical check size?

Leonard Feiner typically writes checks around $3.8M. Use it as a signal for whether your raise fits their stage.

How do founders reach investors like this?

Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.

What is Round Funded?

Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.