Klaus Mueller

Active Investor

Founder & Co-CEO at JENTIS

Vienna, Vienna

Klaus Mueller, Founder & Co-CEO at JENTIS is an active investor based in Vienna, Vienna. This profile covers what Klaus Mueller backs, at which stage, and how founders can reach out in 2026.

Mr. Klaus Müller is an Angel Investor. He co-founded JENTIS. He served as Chief Executive Officer and Partner at 123 Sonography. He served as the Advisor and Board Member at Mooci. He joined 123sonography in 2015 as a partner and has taken over the CEO position from Thomas Binder. Being an Ex-Googler with more than 20 years of experience in the web and online marketing business, he is responsible for leveraging the company to the next level - "Transform Medical Education" by using best-in-class web technologies and by his "Google Moonshot Spirit".

Investor type: Angel
Stages: Early Stage Venture
Invests in: Artificial IntelligenceFintechSaaS & EnterpriseConsumer & RetailE-commerce & D2CDeveloper Tools & DataCybersecurityMarketing & AdTech
Location: Vienna, Vienna
Typical check: $500K
Past investments: 3

Notable investments

MoociZed WorldwideChillBill

How to reach Klaus Mueller

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Frequently Asked Questions

What does Klaus Mueller invest in?

Klaus Mueller invests in Artificial Intelligence, Fintech, SaaS & Enterprise and Consumer & Retail, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.