Mark Esiri is an Investing team at Venrex, which invests at pre-seed, seed across sectors, with checks of $500K to $3M.
What Mark can write
Writes checks of$500K to $3M
Comes in atPre-seed, SeedCan lead the round
Best routeA warm introAsk a founder in their portfolio.
Venrex writes $500K to $3M checks, larger than 71% of firms in the atlas.
Bars: how many firms report each check band. Highlighted: Venrex.Also at Venrex
Partners like Mark
At firms with a similar stage, sector and check size.
Alert me when Venrex is active
One email when Mark'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.
Send your deckQuestions
Who is Mark Esiri?
Mark Esiri is an Investing team at Venrex, which invests at pre-seed, seed across sectors, with checks of $500K to $3M.
How much does Mark Esiri invest?
Mark Esiri invests through Venrex, which writes checks of $500K to $3M at pre-seed, seed.
How do I pitch Mark Esiri?
A warm intro from a founder Venrex backed works best.
Last updated 2026-10-15. Is this you? Ask for a correction.