Mac Conwell is a former software engineer and two-time founder. He currently serves as the managing partner of RareBreed Ventures.
What Mac can write
RareBreed Ventures writes $25K to $250K checks, larger than 1% of firms in the atlas.
Bars: how many firms report each check band. Highlighted: RareBreed Ventures.Career
- Department of Defense · contractor
- Maryland Technology Development Corporation
- RareBreed Ventures · Managing PartnerNow
Companies founded
Focus
Education
Partners like Mac
At firms with a similar stage, sector and check size.
Alert me when RareBreed Ventures is active
One email when Mac's firm raises a fund, adds a partner or shows new activity.
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.
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Who is Mac Conwell?
Mac Conwell is a former software engineer and two-time founder. He currently serves as the managing partner of RareBreed Ventures.
How much does Mac Conwell invest?
Mac Conwell invests through RareBreed Ventures, which writes checks of $25K to $250K at pre-seed.
How do I pitch Mac Conwell?
A warm intro from a founder RareBreed Ventures backed works best.
What did Mac Conwell do before RareBreed Ventures?
contractor at Department of Defense; Maryland Technology Development Corporation.
Last updated 2026-10-15. Is this you? Ask for a correction.