Investor profile
William Lohse
Angel, Operator angel & Founder Joyance Europe at Joyance Partners, Founder at Ataraxia Partners
William Lohse is an angel investor and operator angel based in Reno, Nevada, United States. The known portfolio counts 13 companies, including Lua, Manifest, Tokyo Otaku Mode, Adaptly, Spikes Security, Greenhouse Software, SmartNews, Beatrust, Cliptone, Imsai, SocialThreader and Software Venture Partners.
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Investment focus
- Sector
- AIConsumerHealthcareSaaS
- Focus
- BiotechDigital HealthDigital TherapeuticsHealth and HappinessMedTechMental HealthTelehealth
Contacts
William Lohse portfolio companies (13)
- Lua
- Manifest
- Tokyo Otaku Mode
- Adaptly
- Spikes Security
- Greenhouse Software
- SmartNews
- Beatrust
- Cliptone
- Imsai
- SocialThreader
- Software Venture Partners
- Sonar.me
Affiliated funds' portfolios
Founder Joyance Europe at Joyance Partners, whose known portfolio counts 19 companies
- Jude
- Millie
- MOSH
- Cure Hydration
- Lucky Energy
- Sparxell
- Sunnyside
- Alba Health
- Amatera
- Epicore Biosystems
- Kyan Health
- MyBacs
- and 7 more
Founder at Ataraxia Partners, whose known portfolio counts 2 companies
- BioFluff
- Ceylon Exchange Mentoring
Investor Profile
The known portfolio sits in sectors AI, Consumer, Healthcare and SaaS, and focus areas Biotech, Digital Health, Digital Therapeutics and Health and Happiness.
Stage-wise, the known deals cluster around Pre-Seed, Seed and Series A rounds.
The portfolio and focus above give founders context on whether William Lohse matches their raise.
Colleagues
Charles Smith
Managing Partner
New York, United States
Mike Edelhart
VC
San Francisco, United States
Emi Gonzalez
Investor
Boston, United States
Holly Jacobus
Investment Partner
Jackson, United States
Thibaud Aguettaz
Investment Partner
Geneva, Switzerland
Patrick Nicoll
Partner
New York, United States
Shunya Tachibana
Investment Director
United States
Rumi Yokota
Venture Partner
San Francisco, United States
Eguchi Toshimitsu
Managing Director
Kyoto, Japan
Alexander Stoeckel
Partner
Lausanne, Switzerland
Andrew Nealon
Affiliated
New York, United States
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Frequently asked questions
Who is William Lohse?
William Lohse is an angel investor and operator angel based in Reno, Nevada, United States with 13 known investments on file, among them Lua, Manifest and Tokyo Otaku Mode. The sections above list the sectors, stages and firms attached to that record.
What does William Lohse invest in?
Listed sectors include AI, Consumer, Healthcare and SaaS; listed focus areas include Biotech, Digital Health, Digital Therapeutics and Health and Happiness. Those tags come from the companies attached to this profile, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does William Lohse invest at?
The known deals of William Lohse include Pre-Seed, Seed and Series A rounds. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is William Lohse listed at?
William Lohse is listed as Founder Joyance Europe at Joyance Partners. 11 other people in the database share a firm with William Lohse.
How do I contact William Lohse?
An email address, a phone number and a LinkedIn page are on file for William Lohse. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal