# Mark Friday

> Mark Friday is a seed investor at Cathexis Ventures (Houston) backing SaaS and Software. See 1 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Cathexis Ventures](https://shizune.co/investors/profile/cathexis)
- Location: Houston, United States
- Total investments: 1
- Last investment: Jan 2022
- Lead investor: 100%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/mark-friday-6172b917

Mark Friday is a seed investor at Cathexis Ventures in Houston focused on SaaS and Software. Mark Friday is the managing director at Cathexis Ventures.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| SaaS | 1 | 100% |
| Software | 1 | 100% |
| Geospatial | 1 | 100% |
| Mapping Services | 1 | 100% |
| Information Technology | 1 | 100% |

6 industries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Matidor.com | Matidor is a geospatial collaboration platform that helps you organize projects on a live-updating map with easy visualization, team collaboration, and management.More consultancies, project managers, and field workers now choose to use Matidor to manage their projects over spreadsheets because it leads to higher productivity and clientsatisfaction.Our key features to help companies stay on top of their daily workflow include a centralized dashboard showing budgets, cost reports, files & historical details. In addition, our detailed site maps & user-friendly GIS tools help eliminate collaboration hurdles between departments, improve operational efficiency, and business development effectiveness.Matidor’s map-based interface uniquely meets the needs of field companies: tasks and information relating to a physical location can be readily seen understood by both technical and business audiences due to this interface. Matidor doesn’t require the long training cycle of other industry-specific systems, and an unlimited user model opens the door to viral growth. Stickiness is built-in through historical data storage and the aforementioned network effect. | $1.9M | Seed | Jan 17, 2022 |  |

1 of 1 investments shown.

## Co-investors
- [Equal Opportunity Ventures](https://shizune.co/investors/profile/equal-opportunity-ventures) — VC Fund, 1 deal together
- [Space Capital](https://shizune.co/investors/profile/space-capital) — VC Fund, 1 deal together
- [Sprint Vc](https://shizune.co/investors/profile/sprint-vc) — VC Fund, 1 deal together

## About Cathexis Ventures

VC Fund · Houston, United States

Cathexis Ventures is the venture arm of Cathexis Holdings, a single-family office based in Houston Texas. Minimum check size $100k, max $10M for seed stage companies. Typically $250k checks.

2 contacts available at Cathexis Ventures.

| Name | Title | Profile |
| --- | --- | --- |
| Mark Friday | Managing director | https://shizune.co/investors/profile/mark-friday-3e7a |
| William Harrison | Founder | https://shizune.co/investors/profile/william-harrison-77fe |

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

## FAQ

### What does Mark Friday invest in?

Mark Friday invests primarily in SaaS, Software and Geospatial startups, most often at Seed stage. Most of the 1 investments tracked by Shizune back companies in Canada. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Mark Friday last invest?

The most recent investment recorded for Mark Friday closed in Jan 2022. Shizune tracks 1 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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