Mark Friday is the Managing Director at Cathexis Ventures, the Houston early-stage venture arm of Cathexis Holdings. He is the named contact on the official contact page and listed on the public LinkedIn company page.

What Mark can write

Writes checks of$250K to $1M
Comes in atPre-seed, Seed, Series ACan lead the round
Email the firm[email protected]The firm's own inbox for founders.

Cathexis Ventures writes $250K to $1M checks, larger than 33% of firms in the atlas.

Bars: how many firms report each check band. Highlighted: Cathexis Ventures.

Focus

early-stage

Partners like Mark

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

Alert me when Cathexis Ventures is active

One email when Mark'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.

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Questions

Who is Mark Friday?

Mark Friday is the Managing Director at Cathexis Ventures, the Houston early-stage venture arm of Cathexis Holdings. He is the named contact on the official contact page and listed on the public LinkedIn company page.

How much does Mark Friday invest?

Mark Friday invests through Cathexis Ventures, which writes checks of $250K to $1M at pre-seed, seed, series a.

How do I pitch Mark Friday?

Email [email protected], the firm's inbox for founders, and name Mark in the subject. A warm intro from a founder Cathexis Ventures backed works better.

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