Fundraising Fox
Mat Vogels
InvestorFounderPirate at Black Flag (Harpoon Ventures) · Founder/CEO at Rally Tennis
Denver Metropolitan Area
Writes $100K – $5M checks
FoundedRally Tennis · YC
Find your path to Mat
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Ask Larsen Jensen to introduce you to Mat
You →Larsen · together at Black Flag (2025–2026) →Mat
Ask Jamie Chen to introduce you to Mat
You →Jamie · 2 people · together at Julian Capital →Mat
Ask Sam Okafor to introduce you to Mat
You →Sam · 3 people · together at Black Flag →Mat
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About
Mat Vogels is a designer-founder-investor who builds products (VC Sheet, Pineapple List, Pitch Colorado), focuses on infrastructure tools for the startup ecosystem, and brings design expertise to craft conversion-focused narratives.
Invests in
AI & Machine LearningBiotechClimate TechCybersecurityDeep TechDefense TechEnergyHardwareNew MaterialsRoboticsSemiconductors
Founder/CEO at Rally TennisYC W17
Intro paths
Mat went through Y Combinator (Winter 2017) — any YC alum in your network can reach them through the YC community.
In turn, Mat can intro founders to Rally Tennis's investors below.
Rally Tennis's investors · 8
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Experience
- Harpoon VenturesInvestor & Special Projectscurrent2025 — present
- Black FlagPiratecurrent2025 — presentThe Sea
- Julian.capitalPartner2022 — 2025
- Rally TennisCo-Founder & CEO2021 — 2022Denver, Colorado, United States
- ZestfulCo-Founder and CEO2016 — 2021Denver Metropolitan Area
- Webflow, Inc.Product & Web Designer2014 — 2016Mountain View, CA
- PaySimpleProduct & Lead Web Designer2012 — 2014Denver Metropolitan Area
- Equus SoftwareBusiness Analyst2011 — 2012
- ScottradeIntern2009 — 2011
Skills & more
+11 more
Online AdvertisingAdobe Creative SuiteMarketingManagementSalesforce.comEntrepreneurshipMarketing StrategyStart-upsE-commerceOnline MarketingLeadershipLanguages English · Spanish
From Mat's professional profile.
Colleagues at Harpoon Ventures
Frequently asked questions
- Who is Mat Vogels?
- Mat Vogels is a designer-founder-investor who builds products (VC Sheet, Pineapple List, Pitch Colorado), focuses on infrastructure tools for the startup ecosystem, and brings design expertise to craft conversion-focused narratives.
- Where does Mat Vogels work?
- Mat Vogels is Founder/CEO of Rally Tennis and Investor at Harpoon Ventures.
- What does Mat Vogels invest in?
- Mat Vogels invests in AI & Machine Learning, Biotech, Climate Tech, Cybersecurity, Deep Tech, Defense Tech, Energy, Hardware, New Materials, Robotics, Semiconductors.
- What check size does Mat Vogels write?
- Mat Vogels typically writes checks of $100K – $5M.
- What companies did Mat Vogels found?
- Mat Vogels founded Rally Tennis.
- Where did Mat Vogels go to school?
- Mat Vogels studied at Y Combinator; University of Colorado Denver (Finance, Economics).
Founder mafias
Y Combinator mafia10,601
Also came through, then founded or led a company.
University of Colorado Denver mafia28
Also came through, then founded or led a company.
Webflow mafia13
Also came through, then founded or led a company.
Harpoon Ventures mafia3
Also came through, then founded or led a company.
Black Flag mafia2
Also came through, then founded or led a company.
Same school
Also attended Y Combinator2,000
+ 1,994 more
Also attended University of Colorado Denver65
+ 59 more
Shared employers
Also worked at Julian.capital5
Also worked at Webflow, Inc.21
+ 15 more
