Fundraising Fox
Justin Kaufenberg
InvestorManaging Director at Rally Ventures Management, Llc
Minneapolis, Minnesota
Writes $50K – $5M checks · typically $1.5M
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About
Justin Kaufenberg, a repeat founder who scaled SportsEngine from a dorm-room startup to NBC Sports acquisition and started 10+ ventures, specializes in partner-driven SaaS embedding payments, insurance and compliance-informed trust-and-safety.
Contact· self-published, not guessed
Invests in
AI & Machine LearningCybersecurityFintechHealthtechSaaS
Deals · 6
Negotiatus Corp.Board seat
via Rally Ventures Management, Llc · filed Mar 2026 · $40M raise
Agent Sport, Inc.Board seat
via Rally Ventures Management, Llc · filed Aug 2025 · $6.8M raise
Vertical InsureBoard seat
via Rally Ventures Management, Llc · filed Jun 2025 · $8.5M raise
Kaleidoscope Group PBCBoard seat
via Rally Ventures Management, Llc · filed Mar 2020 · $3M raise
GloweBoard seat
via Rally Ventures Management, Llc · filed Oct 2019 · $520K raise
Total ExpertBoard seat
via Rally Ventures Management, Llc · filed Apr 2016 · $3M raise
Attribution from SEC filings, press coverage, and firm rosters.
Other disclosed investments
Sources: SEC Form D filings · curated public sources.
Colleagues at Rally Ventures Management, Llc
Network3
Investors connected to Justin in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Justin Kaufenberg?
- Justin Kaufenberg, a repeat founder who scaled SportsEngine from a dorm-room startup to NBC Sports acquisition and started 10+ ventures, specializes in partner-driven SaaS embedding payments, insurance and compliance-informed trust-and-safety.
- Where does Justin Kaufenberg work?
- Justin Kaufenberg is Managing Director at Rally Ventures Management, Llc.
- What does Justin Kaufenberg invest in?
- Justin Kaufenberg invests in AI & Machine Learning, Cybersecurity, Fintech, Healthtech, SaaS.
- What check size does Justin Kaufenberg write?
- Justin Kaufenberg typically writes checks of $50K – $5M.
- What boards does Justin Kaufenberg sit on?
- Justin Kaufenberg holds tracked board seats at Agent Sport, Inc., Ankored, BlankMetal.ai, Inc., Bond Sports, Glowe, Kaleidoscope Group PBC, Negotiatus Corp., Total Expert, Vertical Insure, Yardstik.
- What companies has Justin Kaufenberg invested in?
- Investments tracked here include Ankored, AnyRoad, Bbot, Blank Metal, Justifi, Kaleidoscope, Kyros, Order, Payground, Total Expert, Vertical Insure, Yardstik, and 1 more.
Founder mafias
University of Wisconsin-Eau Claire mafia10
Also came through, then founded or led a company.
Rally Ventures Management, Llc mafia5
Also came through, then founded or led a company.
SportsEngine mafia4
Also came through, then founded or led a company.
Vertical Insure mafia4
Also came through, then founded or led a company.
Justifi mafia3
Also came through, then founded or led a company.
About this profile. Compiled from public sources — Rally Ventures Management, Llc's own website, regulatory filings and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights