Underdog Labs
Venture capitalActively deployingSan Francisco · Pre-Seed–Seed · 5 people tracked
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 · 5 people
from the firm's website & public directoriesWhat they invest in
from 2 of 2 portfolio companiesAI & Machine Learning ×2Digital Health ×2Healthtech ×2
HQs:United States×1
Investments · 2 tracked
founders shown can be your intro pathArbital 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)Andrew Stickney(COO)Kevin Hill(CTO)Terrell Bacchus(CMO)
Co-investorsFlare Capital PartnersHypothesisNew Stack VenturesPrimordial VenturesTau VenturesEverywhere Ventures+7 more
Portfolio news
latest coverage across their companiesKeebler Health · flarecapital.com · Apr 21, 2026
Arbital Health · hospitalogy.com · Feb 25, 2026
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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