Karl Villanueva, Founder of Ostrom

About Karl Villanueva

Karl Villanueva is the founder of Ostrom. Ostrom operates in Climate and is based in Berlin, Germany. Ostrom has raised $44M, latest Series B $22M (2025). Backers on record include Julien Cristiani, SE Ventures.

Karl Villanueva at a glance

Company

Ostrom

Industry

Climate

Location

Berlin, Germany

Total raised

$44M

Investors on record

Julien Cristiani, SE Ventures

Frequently asked about Karl Villanueva

Who is Karl Villanueva?

Karl Villanueva is the founder of Ostrom. Full profile, funding history and background on StartupFundraising.com.

What company did Karl Villanueva found?

Karl Villanueva founded Ostrom, a Climate company based in Berlin, Germany.

How do I contact Karl Villanueva?

Verified contact routes including LinkedIn, background and funding history for Karl Villanueva are available on the StartupFundraising.com founder profile.

This founder profile draws on disclosed rounds, filings and investor records in the StartupFundraising database and is updated as new funding is recorded. Founders raising now use profiles like this one to study comparable Climate journeys in Berlin — who backed them, at what stage, and how much they raised.

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