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Sébastien Léger

Investor

General Partner & Co-Founder at Slate Venture Capital

Greater Paris Metropolitan Region

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About

Sébastien Léger is a General Partner and Co-Founder at Slate Venture Capital, where he invests in European growth-stage companies focused on efficiency, resilience, and low-carbon solutions. Previously, he spent 15 years as a Partner at McKinsey Paris, where he founded and led the sustainability practice, advising on strategy, due diligence, and green business development. Léger also works as an executive coach, holding certifications from Columbia University and in process communication, and advises senior leaders on organizational development and career transitions.

Experience

  1. Slate Venture CapitalGeneral Partner & Co-Foundercurrent2023 — presentParis
  2. BlossomSLExecutive Coachcurrent2022 — presentParis
  3. ResourcifyBoard Membercurrent2025 — presentMunich, Bavaria, Germany
  4. McKinsey & CompanyPartner leading the Energy and the Sustainability practices2000 — 2023Paris, London
  5. DIAGMAConsultant in supply chain management1995 — 1998Paris
  6. L'OréalQuality Manager1994 — 1995Greater Jakarta Area, Indonesia

Skills & more

CommunicationTeam LeadershipPersonal DevelopmentTeamworkStrategy19Quality ManagementSupply Chain ManagementCircular EconomyAlternative InvestmentsLeadership Development Coaching1Team BuildingSustainability
+12 moreClimate TechCoachingOrganizational DevelopmentExecutive CoachingLeadership DevelopmentManagement ConsultingBusiness StrategyCorporate DevelopmentStrategic ConsultingMergers & AcquisitionsDue DiligencePrivate Equity
  • Certified Coach Process Communication — KAHLER COMMUNICATION EUROPE
  • Columbia Credential Professional Executive Coach (CCPEC) — Teachers College, Columbia University
  • Certificate of Achievement for the Front End Coaching Intensive — Teachers College, Columbia University

From Sébastien's professional profile.

Colleagues at Slate Venture Capital

Célia Bellec
Investment Associate at Slate Venture Capital
Chloé Giard
General Partner & Co-Founder at Slate Venture Capital
Clément Buyse
General Partner & Co-Founder at Slate Venture Capital
Paul Pihouée
Investment Associate at Slate Venture Capital
Renaud Visage
General Partner & Co-Founder at Slate Venture Capital

Frequently asked questions

Who is Sébastien Léger?
Sébastien Léger is a General Partner and Co-Founder at Slate Venture Capital, where he invests in European growth-stage companies focused on efficiency, resilience, and low-carbon solutions. Previously, he spent 15 years as a Partner at McKinsey Paris, where he founded and led the sustainability practice, advising on strategy, due diligence, and green business development. Léger also works as an executive coach, holding certifications from Columbia University and in process communication, and advises senior leaders on organizational development and career transitions.
Where does Sébastien Léger work?
Sébastien Léger is General Partner & Co-Founder at Slate Venture Capital.
Where did Sébastien Léger go to school?
Sébastien Léger studied at INSEAD (Master of Business Administration - MBA); Teachers College, Columbia University (Columbia Coaching Certification Program, Executive Coaching); CentraleSupélec (Master of Engineering - MEng).

Same school

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