what we do

About us

“We consider ourselves a catalyst, actively collaborating with other climate-obsessed family offices and foundations to drive meaningful change.”

Siemon van den Berg

Co-Founder and Chairman

We exist for the planet loving, risk taking, hope giving, no-excuse-accepting, awe-inspiring, carbon avoiding, reducing, capturing innovators that seek smart funds & fun with a best-in-class climate network.

We’re part of a family office employing various funding instruments to catalyse carbon inventions and interventions.

In addition to philanthropy and earliest-stage climate investing, the family office actively engages in direct climate investing (seed to Series B) and impact fund investments as an LP.

our team

Meet our CarbonFixers

We’re a small group of entrepreneurs, investors, scientists, learners, and – despite it all – optimistic climate-loving people. We have built, sold (and, yes, crashed) ventures. We have run NGOs, attempted to change systems, influenced policies, participated in politics, failed, stood back up and made like-minded friends along the way.

Siemon van den Berg

Siemon van den Berg is CarbonFix Foundation’s chairman. After selling his company in 2019, he started investing for the climate through VC funds, direct investments and philanthropy.

Jeroen Hazewinkel

Jeroen Hazewinkel is a board member of CarbonFIx and science lead. An expert on new technology deployment and energy transition technology. Jeroen has a PhD in Physics and Climate Science and initiated and supported various MT CCUS projects. Jeroen is also a partner at Darel and founder of the Carbon Removal platform Sinkit.

Olga Liash

Olga Liash is a strategic advisor and business manager at DSM. She oversees opportunity management and partner relationships at CarbonFix.

Pepijn van Dijk

Pepijn leads CarbonFix’s systemic work. He is an entrepreneur, advisor, and speaker committed to supporting the transition to a sustainable economy. He loves the outdoors, is a lifelong reader, and co-hosts the Tipcast, a weekly podcast on news and ideas.

Jarno van den Heuvel

Jarno van den Heuvel is a finance professional and CPA. He is part of BigCircle Ventures, a cleantech venture studio. At CarbonFix he helps to get all investments executed.

Arnoud Haverlag

Arnoud Haverlag is a tech & impact entrepreneur. He co-founded and served as CEO at Marvia, Backspace, Soverin and BYBORRE. As Executive Director he’s developing the annual strategy and oversees day-to-day operations at CarbonFix.