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Bertrand van Leersum

Investor

Managing Partner at Borski Fund

The Randstad, Netherlands

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About

Bertrand van Leersum is an Investment Director at Borski Fund with over 15 years of experience in early-stage venture capital, during which he has executed more than 40 transactions. His work spans early-stage investments, portfolio management, and strategic exits, using instruments including direct equity, convertible notes, debt, non-dilutive funding, and bond issuance. His sector focus includes energy transition, deep tech, and women's health, with investments in hardware, software, and B2B SaaS.

Contact· published on Bertrand's own website

Experience

  1. Borski FundPartnercurrent2026 — presentAmsterdam
  2. Borski FundInvestment Directorcurrent2019 — presentAmsterdam Area, Netherlands
  3. Sustainable Business InvestmentDirector and Partner2014 — 2024
  4. Sustainable Business Engineers (SBE)Management Consultant | Director2014 — 2019
  5. Associatie Technologie Overdracht (ATO)Project Manager2008 — 2013Den Helder; The Netherlands
  6. Ontwikkelingsfonds Duurzame Energie Noord HollandInvestment Manager2009 — 2012Province of North Holland
  7. Eneco, Business InnovationResearch intern2008Rotterdam Area, Netherlands

Skills & more

Management1Fund ManagementVenture CapitalPrivate EquityFundingFinancial StructuringBusiness Strategy11Sustainability7Project Management7Start-ups4Renewable Energy2Cleantech2
+10 moreSustainable EnergyEnergyEntrepreneurshipNew Business DevelopmentProduct DevelopmentBusiness DevelopmentConcept DevelopmentInvestmentsInvestment ManagementDiversity & Inclusion

From Bertrand's professional profile.

Investments

Investor

CarbonXClosureRTI BlockchainThirona

Per curated public sources.

Colleagues at Borski Fund

Anieke Lamers
Operating Partner at Borski Fund
Annemarie Haverhals
Future of Health Committee at Borski Fund
Anton Kramer
Advisory Board at Borski Fund
Carmen van Vilsteren
Future of Health Committee at Borski Fund
Christina Caljé
Investment Advisory Committee at Borski Fund
Claire Tange
Managing Partner at Borski Fund
Daphne Postma
Investment Director at Borski Fund
Floris Lyppens
Advisory Board at Borski Fund

Frequently asked questions

Who is Bertrand van Leersum?
Bertrand van Leersum is an Investment Director at Borski Fund with over 15 years of experience in early-stage venture capital, during which he has executed more than 40 transactions. His work spans early-stage investments, portfolio management, and strategic exits, using instruments including direct equity, convertible notes, debt, non-dilutive funding, and bond issuance. His sector focus includes energy transition, deep tech, and women's health, with investments in hardware, software, and B2B SaaS.
Where does Bertrand van Leersum work?
Bertrand van Leersum is Managing Partner at Borski Fund.
What companies has Bertrand van Leersum invested in?
Investments tracked here include CarbonX, Closure, RTI Blockchain, Thirona.
Where did Bertrand van Leersum go to school?
Bertrand van Leersum studied at University of Utrecht (Master of Science (MSc), Science and Innovation management); Utrecht University (Bachelor of Science (BSc), Science and Innovation management); University of Twente (Chemical Technology).

Same school