Justin Mares
Operator AngelVenture Partner, Long Journey Ventures
Health-focused entrepreneur and venture partner
Austin, TX$10K–$250K checks
AngelPre-SeedSeed
HealthcareConsumerFintechMarketplaces
Background
Justin Mares is Venture Partner at Long Journey Ventures and co-founder/CEO of TrueMed, a payments platform enabling HSA/FSA payments for health and wellness brands. He previously founded Kettle & Fire (shelf-stable bone broth brand) and co-authored 'Traction: How Any Startup Can Achieve Explosive Customer Growth.' He also launched Inflection Grants supporting entrepreneurs. Based in Austin.
Investment Focus
Stages
AngelPre-SeedSeed
Typical check: $10K–$250K
Sectors
HealthcareConsumerFintechMarketplaces
Based in: Austin, TX (North America)
Last updated: Jun 11, 2026