Underdog Labs
Venture capitalActively deployingSan Francisco · Pre-Seed–Seed · 6 people tracked
Find your way into Underdog Labs
4,624 people in our graph share verified history with the Underdog Labs team — schools, employers, funds. One of them is your warm intro.
Investment thesis
Pre-seed, pre-product investors offering boutique accelerator-style support from two partners with a 25-year co-founding relationship and an Expedia exit, sourcing via trusted referrals and favoring belief-driven founders over traction.
Source: firm website, verified Aug 7, 2026.
Team · 6 people
from the firm's website & curated & public directoriesFounder mafia
2 people who came through Underdog Labs went on to found or lead other companies.
What they invest in
from 4 of 6 portfolio companiesAI & Machine Learning ×3Digital Health ×2Healthtech ×2Data & Infrastructure ×1Enterprise Software ×1Hardware ×1IoT ×1LegalTech ×1
HQs:United States×4Spain×1
Investments · 6 tracked
founders shown can be your intro pathBy year:2026 · 12024 · 12022 · 12021 · 25 dated
Arbital Health provides a platform for managing value-based care (VBC) contracts, unifying claims, utilization, benchmark, and contract data with actuarial tools, predictive models, and a conversational "Actuarial AI" for real-time performance monitoring and risk analysis.
AI & Machine LearningDigital HealthHealthtechSan Francisco, US
Brian Overstreet(Co-founder)inTravis May(Co-founder)in
BoardScott Rosen(Director)inIan Duncan(Director)
Co-investorsHealthy VenturesTRANSFORMATION CAPITALFlex Capital Partners
Keebler Health, founded in 2023, is a healthcare company focused on improving efficiency and efficacy in the healthcare industry.
AI & Machine LearningDigital HealthHealthtech
Isaac Park(CEO)inAndrew Stickney(COO)inKevin Hill(CTO)inTerrell Bacchus(CMO)in
Co-investorsFlare Capital PartnersHypothesisNew Stack VenturesPrimordial VenturesTau VenturesEverywhere Ventures+7 more
Madrid-based travel store combining a bookshop, travel agency and digital sales points across a 1,500 m² location.
Madrid, ES
David Hernandez Pumarega(Founder)in
Co-investorsAthos CapitalAxon Partners GroupFaraday Venture PartnersInderhabsBallistic VenturesPJC+1 more
Tennibot operates in racquet sports and robotics, though specific details about the company's products, services, or market focus are not provided on this page.
AI & Machine LearningHardwareIoTRoboticsSports TechAuburn, US
Haitham Eletrabi(Co-founder & CEO)inLincoln Wang(Co-founder & CTO)in
Co-investorsBantam GroupTechstarsUntapped Capital
TermScout provides contract intelligence software that analyzes agreements, benchmarks commercial terms against market data, and generates risk signals to help legal, sales, and procurement teams execute deals faster.
Data & InfrastructureEnterprise SoftwareLegalTechSaaSDenver, US
Brian Schwalm(Executive Officer)Mark D. Frank(Executive Officer)Christopher Burton(Executive Officer)Chris Silvestri(Executive Officer, Director)
BoardHoward Diamond(Director)Nancy Pierce(Director)
Co-investorsGround Up VenturesLegalTechNFXRockies Venture ClubTechstarsBridge Investments
Portfolio news
latest coverage across their companiesTermScout · natlawreview.com · Jun 4, 2026
Keebler Health · flarecapital.com · Apr 21, 2026
Arbital Health · hospitalogy.com · Feb 25, 2026
Pangea · spaceinsider.tech · Mar 18, 2025
Frequently asked questions
- What stage does Underdog Labs invest at?
- Underdog Labs invests at the Pre-Seed, Seed stages.
- What is Underdog Labs's typical check size?
- Underdog Labs typically writes checks of $5K – $500K.
- What sectors does Underdog Labs focus on?
- Underdog Labs focuses on AI & Machine Learning, Consumer, Enterprise Software, Healthtech, SaaS.
- Where is Underdog Labs located?
- Underdog Labs is headquartered in San Francisco, US.
- Does Underdog Labs lead rounds?
- Yes, Underdog Labs leads investment rounds.
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