Max Mullen is a Visiting Partner at HF0. The firm operates a residency program and venture fund in San Francisco.
What Max can write
Writes checks of$500K to $1M
Comes in atPre-seed, SeedCan lead the round
Ownership target5-7%At first check
Pitch pageSubmit on their siteThe firm asks founders to apply here.
HF0 writes $500K to $1M checks, larger than 71% of firms in the atlas.
Bars: how many firms report each check band. Highlighted: HF0.Focus
AI-drivendeep-tech
Also at HF0
Partners like Max
At firms with a similar stage, sector and check size.
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One email when Max's firm raises a fund, adds a partner or shows new activity.
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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.
Send your deckQuestions
Who is Max Mullen?
Max Mullen is a Visiting Partner at HF0. The firm operates a residency program and venture fund in San Francisco.
How much does Max Mullen invest?
Max Mullen invests through HF0, which writes checks of $500K to $1M at pre-seed, seed.
How do I pitch Max Mullen?
A warm intro from a founder HF0 backed works best.
Last updated 2026-10-15. Is this you? Ask for a correction.