Madi Jacox

Madi Jacox

Principal atDorm Room FundFirm active Oct 13Cambridge

Madi Jacox is a Principal at Dorm Room Fund, a student venture fund. The firm focuses on seed and start-up investments.

What Madi can write

Writes checks of$25K to $250K
Comes in atPre-seedMostly follows a lead
Ownership target< 5%At first check
Email the firm[email protected]The firm's own inbox for founders.

Dorm Room Fund writes $25K to $250K checks, larger than 1% of firms in the atlas.

Bars: how many firms report each check band. Highlighted: Dorm Room Fund.

Career

  1. U.S. State Department
  2. Tech:NYC
  3. IBM
  4. Hangar
  5. Sidebar · co-founder
  6. Dorm Room Fund · Principal
    Now

Companies founded

Sidebar

Focus

student investingproductoperationsseedstart-up

Also at Dorm Room Fund

Partners like Madi

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

Alert me when Dorm Room Fund is active

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

Founders and investors at a Mode VC gathering

Send Mode VC your deck

Raising a pre-seed or seed round? We write $1M to $5M first checks and help founders with distribution. A partner reads every deck.

Send your deck

Questions

Who is Madi Jacox?

Madi Jacox is a Principal at Dorm Room Fund, a student venture fund. The firm focuses on seed and start-up investments.

How much does Madi Jacox invest?

Madi Jacox invests through Dorm Room Fund, which writes checks of $25K to $250K at pre-seed.

How do I pitch Madi Jacox?

Email [email protected], the firm's inbox for founders, and name Madi in the subject. A warm intro from a founder Dorm Room Fund backed works better.

What did Madi Jacox do before Dorm Room Fund?

U.S. State Department; Tech:NYC; IBM; Hangar; co-founder at Sidebar.

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