About
Kai Buehler is co-founder of ZALUD, a citrus sake aperitivo produced with organic Spanish rice and Mallorca botanicals, and holds WSET Level 3 Award in Sake and Certified Sake Professional credentials. He is an active early-stage investor in technology, health-focused, and climate startups with over 30 investments, including Honey (acquired by PayPal for $4 billion in 2020). Buehler previously co-founded plan_b media, which was acquired by a T-Mobile Venture in 2005, and founded Watchpoints, sold to Viggle in 2011, among other ventures; he also served as a professor of digital entrepreneurship at RFH University of Applied Sciences in Cologne from 2016 to 2024 and holds a PhD in Economics from the University of Paderborn and University of Hong Kong.
Experience
- ZALUDCo-Foundercurrent2025 — presentSpain
- World FundFounding Investor & Advisorcurrent2021 — presentCologne, North Rhine-Westphalia, Germany
- KB VenturesBusiness Angel & Seed Investorcurrent2011 — presentLos Angeles, Germany, Mallorca
- Rheinische Fachhochschule KölnProfessor of Digital Entrepreneurship & Startup Management2016 — 2024Cologne Bonn Region
- KARMAKARMAFounder & CEO2012 — 2024Los Angeles Metropolitan Area
- NRW.INVESTRepresentative of the German State of NRW in California2019 — 2021Los Angeles, California, United States
- Honey (joinhoney.com, acquired by PayPal)First Outside Investor&Advisor2013 — 2021Los Angeles Metropolitan Area
- Quake Capital PartnersCo-Founder 5G Accelerator & Venture Partner2019 — 2020Cologne, North Rhine-Westphalia, Germany
- Viggle Inc. (acquired by perk)SVP and GM2011 — 2012Los Angeles, New York
- mms - mobile messaging solutions (acquired by Viggle)CEO2010 — 2011Los Angeles, Boston
- MindMatics (merged with mms)CEO North America2006 — 2010Los Angeles, New York
- plan_b media (acquired by mopay, now boku)CEO and Co-founder2000 — 2006Cologne Bonn Region
- Droege GroupSenior Management Consultant1999 — 2000Greater Dusseldorf Area
- Siemens TaiwanBusiness Manager1998 — 1999Taipei City, Taipei City, Taiwan
Education
- University of CologneLaw
- Paderborn UniversityMBA/PH.D., Business Adminstration1991 — 1998
- The University of Hong KongInternational Business
- Université Robert Schuman (Strasbourg III)
Skills & more
+12 more
Mobile TechnologyProduct ManagementOnline MarketingE-commerceMobile AdvertisingTelevisionStrategySocial MediaLeadershipInvestmentsClimate ChangeStrategic Partnerships- Certified Sake Professional — Sake Education Council
- WSET Level 3 Award in Sake (Distinction) — WSET School
From Kai's professional profile.
Colleagues at World Fund
Network3
Investors connected to Kai in public investor directories — a warm-intro map.
Frequently asked questions
- Where does Kai Buehler work?
- Kai Buehler is Investor at World Fund.
- What check size does Kai Buehler write?
- Kai Buehler typically writes checks of $50K – $500K.
Same school
Also attended University of Cologne49
+ 43 more
Also attended Paderborn University4
Also attended The University of Hong Kong101
+ 95 more
Shared employers
Also worked at Honey (joinhoney.com, acquired by PayPal)13
+ 7 more
Also worked at Quake Capital Partners13
+ 7 more
Also worked at Siemens Taiwan196
+ 190 more












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