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Carl Stjernfeldt

Investor

Managing Director at Arc Light Securities

United States

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About

Carl Stjernfeldt is a Managing Director at ArcLight Capital Partners focused on energy transition investments, including asset-light and software solutions across digital infrastructure and power generation, at deal stages ranging from growth to buyout. He previously led corporate development for Shell New Energies, overseeing investments and M&A in renewable energy and emerging business models, and spent over a decade as a venture investor at top-tier firms with concentration in software. Stjernfeldt has served on boards of multiple companies spanning software, networking, and clean energy sectors, and is active in entrepreneurial ecosystems through MIT affiliations, industry organizations, and advisory roles.

Experience

  1. ArcLight Capital Partners, LLCManaging Directorcurrent2021 — presentBoston, Massachusetts, United States
  2. EVPE Private EquityAdvisory Board Member2019 — 2021Houston, Texas, United States
  3. ShellHead of Corporate Development, New Energies – Americas2018 — 2021Greater Boston Area
  4. ShellNorth American Venture Manager2013 — 2018Boston / Houston
  5. Massachusetts Technology Leadership CouncilBoard of Trustees Member2009 — 2013Greater Boston Area
  6. Castile VenturesGeneral Partner2007 — 2013Greater Boston Area
  7. 12x12VC member2010 — 2012Greater Boston Area
  8. UMichigan Advisory boardBoard Member2004 — 2012Ann Arbor, MI
  9. New England Venture Capital AssociationBoard Member2006 — 2012Greater Boston Area
  10. Massachusetts Network Communications CouncilBoard member2007 — 2009Greater Boston Area
  11. Battery VenturesPartner2000 — 2007Greater Boston Area
  12. Cambridge Technology PartnersClient Partner1997 — 1998Greater Boston Area
  13. Summa FourEngineer, Engineering Manager1994 — 1997Manchester, NH

Skills & more

Energy TransitionRenewable EnergyEnergy IndustryFinanceInvestments1Corporate Venture Capital1Venture Capital99Start-ups69Entrepreneurship74Mergers5Business Strategy34Business Development15
+12 morePrivate EquityProduct ManagementDue DiligenceManagement ConsultingProduct DevelopmentBusiness PlanningMarketing StrategyStrategic PartnershipsStrategyStrategic PlanningLeadershipManagement

Languages English · German · Swedish

From Carl's professional profile.

Colleagues at Arc Light Securities

Andrew Brannan
Managing Director at Arc Light Securities
Andrew Murphy
Associate at Arc Light Securities
Angelo Acconcia
Managing Partner at Arc Light Securities
Anna Casper
Paralegal at Arc Light Securities
April Boyle
Executive Assistant at Arc Light Securities
Brian Martin
Director, APRM at Arc Light Securities
Bridget Kiley
Associate at Arc Light Securities
Brittani Octeau
Executive Assistant at Arc Light Securities

Frequently asked questions

Who is Carl Stjernfeldt?
Carl Stjernfeldt is a Managing Director at ArcLight Capital Partners focused on energy transition investments, including asset-light and software solutions across digital infrastructure and power generation, at deal stages ranging from growth to buyout. He previously led corporate development for Shell New Energies, overseeing investments and M&A in renewable energy and emerging business models, and spent over a decade as a venture investor at top-tier firms with concentration in software. Stjernfeldt has served on boards of multiple companies spanning software, networking, and clean energy sectors, and is active in entrepreneurial ecosystems through MIT affiliations, industry organizations, and advisory roles.
Where does Carl Stjernfeldt work?
Carl Stjernfeldt is Managing Director at Arc Light Securities.
Where did Carl Stjernfeldt go to school?
Carl Stjernfeldt studied at MIT Sloan School of Management (MBA, Entrepreneurial Finance); KTH Royal Institute of Technology (MSc, Elektro); Northeastern University (MS, EE).

Same school

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