Where does Claire Tange work?

Claire Tange is Managing Partner at Borski Fund.

Where did Claire Tange go to school?

Claire Tange studied at Delft University of Technology (MSc, Chemical Engineering); Institute of Management Accountants (Certified Management Accountant); Rensselaer Polytechnic Institute (MSc, Nanotechnology (for Master Thesis)).

Claire Tange

Investor

Managing Partner at Borski Fund

Portugal

Find your path to Claire

494 people in our graph share verified history with Claire — schools, employers, funds. One of them is your warm intro.

Harley FinkelsteinunlockedClaire: together at McGill University (2001)

×2Claire: together at École polytechnique fédérale de Lausanne

Claire: together at Delft University of Technology

×3Claire: together at DSM

About

Claire Tange is a Partner at Borski Fund and the founder of Joanna Invests, a platform enabling female investors to back female-founded startups. She trained as an engineer and worked in investment banking in London before serving as a CFO for startups and scaleups in Amsterdam, including Fastned, where the company raised over EUR 35 million and went public, and Dott, where she established finance operations across six countries and helped raise EUR 50 million from institutional investors. She is also a co-founder of Rex.AI.

Experience

Borski FundPartnercurrent2026 — presentAmsterdam, North Holland, Netherlands
Borski FundVenture Partner2025 — 2026Amsterdam, North Holland, Netherlands
Joanna InvestsFounding Partnercurrent2022 — presentAmsterdam-Centrum, North Holland, Netherlands
rex.aiCo-founder and CFOOcurrent2025 — present
LIOFInvestment committee membercurrent2023 — presentMaastricht, Limburg, Netherlands
AI4ALLAdvisory Boardcurrent2025 — present
Groove Quantum(Fractional) CFO2025Delft, South Holland, Netherlands
SOLHOAdvisor to the Board2024 — 2025Rome, Latium, Italy
SOLHOFractional CFO2018 — 2023Delft, South Holland, Netherlands
10x.TeamFractional CFO2023 — 2025Amsterdam-Centrum, North Holland, Netherlands
Nxt Museum(Fractional) CFO2023 — 2025Amsterdam-Noord, North Holland, Netherlands
Tangerine Corporate FinanceOwner - Independent Financial Advisor2018 — 2025The Randstad, Netherlands
Women in AI BeneluxMember of the Board of Advisors2024 — 2025Amsterdam, North Holland, Netherlands
Source.agChief Financial Officer2023 — 2024Amsterdam, North Holland, Netherlands
École polytechnique fédérale de LausanneGuest Lecturer2021 — 2023Lausanne, Vaud, Switzerland
DottAdvisor2020Amsterdam, North Holland, Netherlands
DottCFO (Founding team)2018 — 2020The Randstad, Netherlands
LuggageMastersFounder2018 — 2019The Randstad, Netherlands
FastnedCFO2014 — 2018The Randstad, Netherlands
RBS Markets & International BankingAssociate, Corporate Finance2011 — 2013London Area, United Kingdom
RBS Markets & International BankingAnalyst in Corporate Finance Group2008 — 2011
ABN AMROIntern2007 — 2008The Randstad, Netherlands
JPMorganIntern2006London Area, United Kingdom
DSMResearch intern2006

Skills & more

Fundraising1EntrepreneurshipSeed CapitalCorporate Strategy2Early Stage Investment2Start-up Ventures2Angel InvestingBoard Advisory ServicesGuest LecturingCorporate Finance24Financial Modeling11Investment Banking13

+10 more

MergersFinancial AdvisoryValuationFinancial ServicesPrivate EquityMergers & AcquisitionsCapital MarketsBankingStrategyManagement

Languages Dutch · English · French

Oxford Women's Leadership Development Programme — Saïd Business School, University of Oxford
Certified Management Accountant — IMA | Institute of Management Accountants

From Claire's professional profile.

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

Bertrand van Leersum

Investment Director at Borski Fund

Carmen van Vilsteren

Future of Health Committee at Borski Fund

Christina Caljé

Investment Advisory Committee at Borski Fund

Daphne Postma

Investment Director at Borski Fund

Floris Lyppens

Advisory Board at Borski Fund

Frequently asked questions

Who is Claire Tange?: Claire Tange is a Partner at Borski Fund and the founder of Joanna Invests, a platform enabling female investors to back female-founded startups. She trained as an engineer and worked in investment banking in London before serving as a CFO for startups and scaleups in Amsterdam, including Fastned, where the company raised over EUR 35 million and went public, and Dott, where she established finance operations across six countries and helped raise EUR 50 million from institutional investors. She is also a co-founder of Rex.AI.
Where does Claire Tange work?: Claire Tange is Managing Partner at Borski Fund.
Where did Claire Tange go to school?: Claire Tange studied at Delft University of Technology (MSc, Chemical Engineering); Institute of Management Accountants (Certified Management Accountant); Rensselaer Polytechnic Institute (MSc, Nanotechnology (for Master Thesis)).

Same school

Also attended Delft University of Technology242

Michiel KottingPartner at Northzone Giuseppe LacerenzaPartner at Keen Venture Partners Alexander WortmannPartner at TCV Thijs SchaapInvestment manager at Noaber Hugo SilvaPartner at Pi Labs RobInvestor at henQ vc

+ 236 more

Also attended Institute of Management Accountants5

Alexandros MatthiessenInvestor at Rubio Impact Ventures Vihari KanukolluFounder at UrbanKisaan Ruben MikkersCFO at NLC Bettina HeinExecutive Chairwoman & Founder at Juli Cees LuijendijkCFO and Co-founder at Microalign

Also attended Rensselaer Polytechnic Institute152

Lawrence BettinoManaging Director at Dot Capital Patch PaczkowskiVenture Partner at IronGate Capital Advisors Jonathan BurbaumEntrepreneur-In-Residence at The Innovation Space Aaron HenshawInvestor at Ambush Capital Carly StrifeInvestor at Ambush Capital Joe LallouzEntrepreneur and angel investor based in New York City

+ 146 more

Also attended McGill University651

Harley FinkelsteinInvestor at Felicis Ventures Mattias LjungmanInvestor at Moonfire Ventures Noubar AfeyanInvestor at Flagship Pioneering David NaultGeneral Partner at Luge Capital Laviva MazharPrincipal at Luge Capital Lisa PurcellInvestor at Third Rock Ventures

+ 645 more

Shared employers

Also worked at RBS Markets & International Banking201

Tony NystenPartner at OpenOcean Swati KulkarniDirector, Corporate Development at Fireside Ventures Advisory Llp Erika MorganHead of Investor Relations at Signal Peak Ventures Caglar UrcanInvestment | 212 NexT at 212 Virginia TanFounding & Managing Partner at Teja Ventures Johny TjhengDirector at Artesian

+ 195 more

Also worked at ABN AMRO241

Iris WiggersFINANCE at Cottonwood Technology Fund Sally AppletonInvestor at Index Ventures Gerardo RedondoSenior Director at Inveready Technology Investment Group KobeFinance Director at Hummingbird Ventures Nesbit WestAdvisor - Fund Compliance at Keen Venture Partners David MackeyPartner & Chief Financial Officer at Catalyst Health Ventures

+ 235 more

Also worked at JPMorgan1,282

Cat WuInvestor at Index Ventures Rishi ModiInvestor at GV (Google Ventures)Akshat GoenkaInvestor at Moonfire Ventures Naseem MoumeneVice President at Northzone, investing across complex and fragmented industries undergoing fundamental shifts Franklin BiGeneral Partner at Pantera Capital Megan LightcapPartner, Creator Fund at Slow Ventures

+ 1,276 more