About
Tom has over 35 years of experience building and managing venture portfolios as a GP, LP, and angel investor. He was a general partner at TDH Group's TDH III fund, president of SGI Capital, and founded Balderston Capital in 2001; he has served on private company boards and with the impact-focused Social Venture Circle.
Invests in
Impact & Social Good
Experience
- Adirondack ExplorerMember Board of Directorscurrent2023 β presentSaranac Lake, New York, United States
- SOCAP Global PBCMember Board of Directorscurrent2022 β present
- SustainVCManaging Principalcurrent2007 β present
- Balderston Capital, LLCPresident and Foundercurrent2002 β present
- Social Venture CircleBoard member2010 β 2020
- Mid-Atlantic Capital Alliance -- now PACTPresident and CEO2006 β 2009
Education
- UCLA Anderson School of ManagementMBA, Finance1982 β 1985
- Williams CollegeBA, History and American Civilization1975 β 1978
Skills & more
Investments14Finance17Capital30Venture Capital53Private Equity35Angel Investing22
From Tom's professional profile.
Same school
Also attended UCLA Anderson School of Management181
David Clark GuillermoInvestments at Impact America FundDana MoralyPartner; Chief Financial & Administrative Officer at March Capital PartnersJed LeidheiserPartner at March Capital PartnersShahin FarshchiPartner at Lux CapitalJennifer SavagePartner at Illuminate VenturesAlbert WangSenior Director at Qualcomm Ventures
+ 175 more
Also attended Williams College87
Chase ColemanFounder & Partner of Tiger Global ManagementSteve CaseChairman & CEO of Revolution; co-founder of AOLChris PicardoPartner at Madrona investing at the intersection of life science and computer science, plus consumer tech and Web3Isabelle PhelpsPartner at Lerer HippeauNino MarakovicPartner, CEO at Sapphire VenturesAlex MarshallPartner & General Counsel at Generation Investment Management
+ 81 more


















