Justin Kaufenberg
InvestorManaging Director at Rally Ventures Management, Llc · Board director at Agent Sport, Inc. · Board director at Bond Sports · Board director at Vertical Insure
Minneapolis, Minnesota
Writes $50K – $5M checks · typically $1.5M
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
Board director at Agent Sport, Inc.
Intro paths
In turn, Justin can intro founders to Agent Sport, Inc.'s investors below.
Agent Sport, Inc.'s investors · 2
Board director at Bond Sports
Intro paths
In turn, Justin can intro founders to Bond Sports's investors below.
Board director at Vertical Insure
Intro paths
In turn, Justin can intro founders to Vertical Insure's investors below.
Vertical Insure's investors · 4
Co-founders at Vertical Insure
Experience
- Rally VenturesManaging Directorcurrent2019 — presentMinneapolis, Minnesota, United States
- AnkoredBoard Membercurrent2025 — presentBoston, Massachusetts, United States
- Blank MetalCo-Founder & Board Membercurrent2025 — presentMinneapolis, Minnesota, United States
- Allen Control SystemsBoard Observercurrent2024 — presentWashington, District of Columbia, United States
- PayGroundBoard Membercurrent2023 — presentGilbert, Arizona, United States
- Arctic WolfInvestorcurrent2023 — presentMinneapolis, Minnesota, United States
- Bond SportsBoard Membercurrent2023 — presentNew York, New York, United States
- RentSpreeBoard Observercurrent2022 — presentLos Angeles, California, United States
- EpochBoard Observercurrent2021 — presentSan Francisco, California, United States
- HarnessInvestorcurrent2021 — presentSan Francisco Bay Area
- ManageXRBoard Observercurrent2021 — presentSan Francisco Bay Area
- JustiFiCo-Founder & Board Membercurrent2021 — presentMinneapolis, Minnesota, United States
- ZingtreeBoard Membercurrent2020 — presentSan Francisco, California, United States
- YardstikCo-Founder & Board Membercurrent2020 — presentMinneapolis, Minnesota, United States
- Kaleidoscope GroupBoard Membercurrent2020 — presentMinneapolis, Minnesota, United States
- OrderBoard Membercurrent2019 — presentNew York, New York, United States
- ParallaxBoard Observercurrent2018 — presentMinneapolis, Minnesota, United States
- AnyRoadBoard Membercurrent2018 — presentSan Francisco, California, United States
- Total ExpertBoard Membercurrent2016 — presentGreater Minneapolis-St. Paul Area
- Vertical Insure, Inc.Co-Founder & Board Member2022 — 2026Minneapolis, Minnesota, United States
- BbotBoard Member2020 — 2022New York, New York, United States
- SportsEngineCo-Founder & CEO2008 — 2019
- Third North CreativeCo-Founder2001 — 2008
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.
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 and Board director at Agent Sport, Inc. and Board director at Bond Sports and Board director at Vertical Insure.
- 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., Glowe, Kaleidoscope Group PBC, Negotiatus Corp., Total Expert, Vertical Insure.
- Where did Justin Kaufenberg go to school?
- Justin Kaufenberg studied at University of Wisconsin-Eau Claire (Economics).
Founder mafias
Rally Ventures Management, Llc mafia5
Also came through, then founded or led a company.
University of Wisconsin-Eau Claire mafia3
Also came through, then founded or led a company.
Agent Sport, Inc. mafia2
Also came through, then founded or led a company.
Allen Control Systems mafia2
Also came through, then founded or led a company.
Epoch mafia2
Also came through, then founded or led a company.
Same school
Also attended University of Wisconsin-Eau Claire16
+ 10 more
