Fundraising Fox

Ian Rountree

Investor

Founder and General Partner at Cantos Ventures

San Francisco, California

Writes $400K – $1.3M checks Β· typically $750K

About

Ian Rountree is a first-check investor backing pre-traction founders commercializing near frontier science in climate, defense, and industrial resilience, advocating full-stack deep tech and hosting the Near Frontier podcast.

Invests in

Climate TechDeep TechHardwareMobility & TransportationNew Materials

Experience

  1. CantosGeneral Partnercurrent2016 β€” presentSan Francisco Bay Area
  2. EARTH AIBoard Membercurrent2023 β€” present
  3. Salient MotionBoard Membercurrent2024 β€” present
  4. ShinkeiBoard Observercurrent2024 β€” present
  5. SkyryseBoard Observercurrent2018 β€” present
  6. Atomos SpaceBoard Member2023 β€” 2025
  7. Pow.bioBoard Observer2019 β€” 2023
  8. Invisible Technologies, Inc.Chief of Staff2015 β€” 2016San Francisco Bay Area
  9. Angel InvestmentAngel Investor2012 β€” 2016San Francisco Bay Area
  10. The MascotManager2013 β€” 2015San Francisco Bay Area
  11. SoFi Inc.Associate Director of Corporate Relationships2013San Francisco Bay Area
  12. SoFi Inc.Associate Director of Bank Partnerships2012 β€” 2013San Francisco, CA
  13. SoFi Inc.Marketing Manager - Ambassador Program Lead2012San Francisco, CA
  14. Huron Consulting GroupRevenue Cycle Analyst2011 β€” 2012Greater Nashville Area, TN
  15. Manna Project InternationalProgram Director2009 β€” 2010Managua, Nicaragua

Education

  1. Vanderbilt UniversityBachelor of Arts (B.A.), Political Science2005 β€” 2009
  2. McCallie SchoolHigh School2001 β€” 2005

Skills & more

Strategy3Management1Strategic Planning2Start-ups52Finance29Venture Capital24Business Strategy11Business Development5Strategic Partnerships3Central America

Languages Spanish Β· Swedish

  • License - Series 62 & 63 β€” FINRA

From Ian's professional profile.

Same school

Shared employers

Deals Β· 2

EARTH AIBoard seat

via Cantos Ventures Β· filed Feb 2025 Β· $25.9M raise

Atomos Nuclear & SpaceBoard seat

via Cantos Ventures Β· filed Jan 2023 Β· $20M raise

Attribution from SEC filings, press coverage, and firm rosters.

Colleagues at Cantos Ventures

Network4

Investors connected to Ian in public investor directories β€” a warm-intro map.