Mark Friday, Managing Director at Cathexis Ventures is an active investor based in Houston, United States. This profile covers what Mark Friday backs, at which stage, and how founders can reach out in 2026.
Mark Friday invests in early-stage startups, focusing on great founders, fast builders, and product-market-fit.
Mark Friday invests in SaaS & Enterprise, Artificial Intelligence and Consumer & Retail, typically at Pre Seed, Seed and Series A.
- Location
- Houston, United States
- Typical check
- $250K
What does Mark Friday invest in?
- Investor type
- VC
Where is Mark Friday based?
Mark Friday is based in Houston, United States.
- Browse more startup investors near Mark Friday:
- Startup investors in HoustonStartup investors in the United States
How to reach Mark Friday
Angels and operators like Mark Friday reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded.
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About this profile
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Cite this page
Round Funded. "Mark Friday." Round Funded investor database, updated September 22, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/mark-friday-houston
Frequently Asked Questions
Who is Mark Friday?
Mark Friday, Managing Director at Cathexis Ventures is an active investor based in Houston, United States. Mark Friday invests in SaaS & Enterprise, Artificial Intelligence and Consumer & Retail, typically at Pre Seed, Seed and Series A.
What does Mark Friday invest in?
Mark Friday invests in SaaS & Enterprise, Artificial Intelligence and Consumer & Retail, typically at Pre Seed, Seed and Series A. Match your sector and stage, then reach out with a personalized pitch.
What stage does Mark Friday invest at?
Mark Friday typically invests at Pre Seed, Seed and Series A. Lead with traction that fits the stage when you reach out.
What is Mark Friday's typical check size?
Mark Friday typically writes checks around $250K. Use it as a signal for whether your raise fits their stage.
Where is Mark Friday based?
Mark Friday is based in Houston, United States.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.
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