Fundraising Fox

Jim Jansen

Investor

Venture Partner at Antler · Venture Partner at FORWARD.one

Amsterdam, Netherlands

Writes $100K – $5M checks · typically $1.5M

Find your path to Jim

1,038 people in our graph share verified history with Jim — schools, employers, funds. One of them is your warm intro.

Nancy WangunlockedJim: together at Google (2014–2016)
×8Jim: together at Google
×2Jim: together at Just Eat
Jim: together at Leiden University

About

Jim Jansen is founder and CEO of Brownstone and a venture partner at Antler. Previously, he spent 13 years at Google leading commercial operations across the US and held roles at Unilever. He has demonstrated experience scaling businesses across consumer packaged goods, technology, and retail media sectors, with a track record of revenue growth from €20M to €500M+, and has advised venture and private equity-backed companies through multiple acquisitions. Jansen is a guest lecturer at Rotterdam School of Management and recipient of the 2017 Michael P. Beier Award.

Experience

  1. BrownstoneChief Executive Officer and Foundercurrent2019 — presentAmsterdam, North Holland, Netherlands
  2. Rotterdam School of Management, Erasmus UniversityGuest Lecturercurrent2023 — presentRotterdam, South Holland, Netherlands
  3. AntlerVenture Partnercurrent2021 — presentAmsterdam, the Netherlands
  4. QlooChief Revenue Officer (CRO)2024 — 2025New York, New York, United States
  5. Imagine Retail MediaCo Founder and Managing Partner2023 — 2024Amsterdam, the Netherlands
  6. Just Eat Takeaway.comSenior Director Global Commercial Growth2021 — 2023Amsterdam, the Netherlands
  7. HUMANVice President of Global Sales2019 — 2021New York, New York
  8. GoogleFellow, Google for Startups2019New York, United States
  9. GoogleHead of Industry, Google Marketing Platform, US Sales2013 — 2019New York
  10. GoogleIndustry Leader, Media Platform, US sales2011 — 2013New York, USA
  11. GoogleChief of Staff, Emerging Sector, US Sales2010 — 2011New York, USA
  12. GoogleHead of Sales2007 — 2010Amsterdam, Netherlands
  13. Equity Ventures Netherlands BVCEO and Co-Founder2002 — 2007Amsterdam, Netherlands
  14. UnileverSenior Category Manager2000 — 2002The Randstad, Netherlands
  15. UnileverSenior Brand Marketing Manager1997 — 2000The Randstad, Netherlands

Skills & more

Cross-functional Team Leadership2Human Capital Management1Revenue Generation3Revenue Management3Business-to-Business (B2B)3Software as a Service (SaaS)CRO ManagementData Monetization13retail media12Executive Coaching11Go-to-Market Strategy3Performance Oriented3
+12 moreStrategic PartnershipsNegotiationTeam ManagementStakeholder ManagementCreative Problem SolvingBusiness StrategyOnline AdvertisingStrategyBusiness DevelopmentE-commerceMarketing StrategyDigital Marketing

Languages Dutch · English · French · German

From Jim's professional profile.

Colleagues at Antler

Network3

Investors connected to Jim in public investor directories — a warm-intro map.

Frequently asked questions

Who is Jim Jansen?
Jim Jansen is founder and CEO of Brownstone and a venture partner at Antler. Previously, he spent 13 years at Google leading commercial operations across the US and held roles at Unilever. He has demonstrated experience scaling businesses across consumer packaged goods, technology, and retail media sectors, with a track record of revenue growth from €20M to €500M+, and has advised venture and private equity-backed companies through multiple acquisitions. Jansen is a guest lecturer at Rotterdam School of Management and recipient of the 2017 Michael P. Beier Award.
Where does Jim Jansen work?
Jim Jansen is Venture Partner at Antler.
What check size does Jim Jansen write?
Jim Jansen typically writes checks of $100K – $5M.
Where did Jim Jansen go to school?
Jim Jansen studied at Leiden University (Master of Laws (LL.M.), Law); Rotterdam School of Management, Erasmus University (Guest lecturer, Business Administration and Management).

Same school

Shared employers