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Robert Adelson

Managing Partner atOsage Venture PartnersPennsylvania
Osage Venture Partners websiteFirm profile

Robert Adelson is a venture investor and lawyer. He has founded several investment firms and practiced corporate law in Philadelphia.

What Robert can write

Writes checks of$1M to $10M
Comes in atSeed, Series ACan lead the round
Ownership target7-10%At first check
Best routeA warm introAsk a founder in their portfolio.

Osage Venture Partners writes $1M to $10M checks, larger than 83% of firms in the atlas.

Bars: how many firms report each check band. Highlighted: Osage Venture Partners.

Career

  1. U.S. Third Circuit Court of Appeals · clerk
  2. Wolf, Block, Schorr & Solis-Cohen · corporate law
  3. Osage Partners
    Now
  4. Osage Industries
  5. RAF NetVentures
    1999-null
  6. Cimarron Healthcare Partners
  7. Osage Venture Partners · Managing Partner
    Now
  8. Osage University Partners · Managing Partner

Companies founded

Osage PartnersOsage Venture PartnersOsage University PartnersCimarron Healthcare PartnersOsage IndustriesRAF NetVentures

Focus

venturehealthcareindustrial manufacturingdot-com

Education

Yale CollegeThe Yale Law School

Also at Osage Venture Partners

Nate LentzManaging Partner
Sean DowlingManaging Partner
Luca FimmanoAnalyst

Partners like Robert

At firms with a similar stage, sector and check size.

Josh Rahn
Josh RahnCo-Founder & General Partner, Oceans Ventures
Andrew Walsh
Andrew WalshManaging Director, First Analysis
Doug Russell
Doug RussellManaging Partner & Head of MMV, MassMutual Ventures
Esteban Sosnik
Esteban SosnikCo-Founder & Partner, Reach Capital
Andrew Parker
Andrew ParkerGeneral Partner, Spero Ventures
Dimitri BoguslavskySurface Ventures

Alert me when Osage Venture Partners is active

One email when Robert's firm raises a fund, adds a partner or shows new activity.

Founders and investors at a Mode VC gathering

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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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Questions

Who is Robert Adelson?

Robert Adelson is a venture investor and lawyer. He has founded several investment firms and practiced corporate law in Philadelphia.

How much does Robert Adelson invest?

Robert Adelson invests through Osage Venture Partners, which writes checks of $1M to $10M at seed, series a.

How do I pitch Robert Adelson?

A warm intro from a founder Osage Venture Partners backed works best.

What did Robert Adelson do before Osage Venture Partners?

clerk at U.S. Third Circuit Court of Appeals; corporate law at Wolf, Block, Schorr & Solis-Cohen; Osage Industries; RAF NetVentures; Cimarron Healthcare Partners; Managing Partner at Osage University Partners.

Last updated 2026-10-15. Is this you? Ask for a correction.