About Us

ESIF (Environmental & Sustainability Innovation Fund) was founded to leverage the team’s strength in experience and relationships.

Our Team brings:

DOMAIN EXPERIENCE
60+ years in climate tech investing, entrepreneurial and executive operating roles

DEEPTECH INVESTMENT EXPERIENCE
over 50+ years in successfully investing and supporting early stage physical systems companies

RELATIONSHIPS
Multi-decade expertise with VC funDs and leaders in the target domains

SAM H. LEE 

Managing Partner

• 30+ years technology VC investor
• Founded and managed 3 institutionally back VC funds totaling $400M
• Over 50 realized investments of $180M +75% realized IRR; 3.4x on realized
• Founder of two companies in Alternative Energy and AgTech fields
• 5 years ES Impact angel investor
• TA&M MSEE & Wharton MBA 

Dag Syrrist

Partner

• 30+ yrs Seed & Growth Growth Equity investments in US and European markets
• Cofounded Vision Capital, a Trans-Atlantic VC firm; VP Tech Funding
• Involved in Global 500 corporate partnering, business development, corporate venture programs
• Fed & State public policy, legislative and environmental regulatory experience, White House

TERRY JESTER 

Partner

• 25+ years executive roles in Cleantech
• Managing Director of PI Berlin NA
• CEO and COB of Silicor Materials
• CEO Building Integration and Automation Controls
• COO Solaria
• Board member: Next Energy Technologies, Fusion Fuel
• EIR Hudson Clean Energy Partners
• CSUN BSME

Mike Kelly

ADVISOR

• 25+ years of PE/VC experience, MD & IC member- Hamilton Lane Advisors
• MD NA, Executive Committee member- Greenstone+,
• IC member-  Impact wealth mgmt
• BoD- start-up digital bank, Grasshopper
• Advisor to corporate venture capital as a service company
• BS- Trenton St / MBA- William & Mary

Barbara Young

ADVISOR

• 35+ yrs experience in executive and board member roles
• Founder/CEO of Cypress Wealth Group - $1.2B AUM; Exec Managing Director at Cresset -  $14.5B AUM
• Career started with JP Morgan Chase and Wells Fargo Bank; CFP
• BA Sociology & Psychology UCSB, St Mary’s College MBA, and MA Psychology Univ. of Santa Monica

AARON L. ENZ 

VENTURE ADVISOR

• 20+ years Senior and Partner-level Operating and Investment Banking roles
• 20+ years in private capital markets
• 14+ years specializing in climate tech and impact companies / funds
• CFA designation
• WWU BA Math / Econ & UCSB MA Econ / Finance 

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