Investor profile
Rosalyn Mahashin
Accelerator, Venture capital & Investor at Tau Ventures, Mentor at Blue Startups
Rosalyn Mahashin is an Investor at Tau Ventures, whose known portfolio counts 19 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Investor at Tau Ventures, whose known portfolio counts 19 companies
- Altitude
- ArmorCode
- XTEND
- UPTIQ
- Keebler Health
- tofu
- Alaffia Health
- Fourier Health
- Hoopo
- Deeto
- InnerPlant
- TaTiO
- and 7 more
Mentor at Blue Startups, whose known portfolio counts 9 companies
- CELITECH
- Hohonu
- BiteSlice
- Landng
- Mappy
- Quibble
- Sensay
- Stacklist
- Taltrics
Investor Profile
Rosalyn Mahashin is listed against sectors AI, Climate, Consumer and Hardware, and focus areas AI Agents, AI Applications, Analytics and CRM in the database.
Stage-wise, the deals at Tau Ventures cluster around Pre-Seed, Seed and Series A rounds.
What the affiliated firm has backed is the closest available signal on whether Rosalyn Mahashin is worth approaching.
Colleagues
Chenoa Farnsworth
Co-Founder and Managing Partner
Honolulu County, United States
Dan Freedman
Lead Mentor
Newport Beach, United States
Joey Katzen
Lead Startup Mentor
Honolulu, United States
Wendy Diamond
Investor/Limited Partner
New York, United States
Sam Bogrov
Healthcare / AI VC Investor
New York, United States
Amit Garg
Investor
Mumbai, India
Insoo Chang
AI Investing
San Francisco, United States
Nimrod Cohen
Founder and Managing Partner
Israel
Patrick Lee
Startup Scout
Los Angeles, United States
Maya Rogers
Partner
Honolulu, United States
Sanjay Rao
Managing Partner
San Francisco, United States
Sharon S. Huang
Investor
New York, United States
Daniel Nazarian Dmd
Lead Investor
Beverly Hills, United States
Rob Robinson
Senior Mentor
Kailua, United States
Alexi Drouin
Mentor
Honolulu, United States
Frequently asked questions
Who is Rosalyn Mahashin?
Rosalyn Mahashin is an accelerator partner and venture capital investor based in San Francisco, California, United States, listed as Investor at Tau Ventures. The known portfolio of that firm counts 19 companies. That portfolio belongs to the firm, not to Rosalyn Mahashin personally.
What does Rosalyn Mahashin invest in?
Listed sectors include AI, Climate, Consumer and Hardware; listed focus areas include AI Agents, AI Applications, Analytics and CRM. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Rosalyn Mahashin invest at?
Tau Ventures appears in Pre-Seed, Seed and Series A rounds across its known deals, and Rosalyn Mahashin is listed there as Investor. 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 Rosalyn Mahashin listed at?
Rosalyn Mahashin is listed as Investor at Tau Ventures. 15 other people in the database share a firm with Rosalyn Mahashin.
How do I contact Rosalyn Mahashin?
An email address, a phone number and a LinkedIn page are on file for Rosalyn Mahashin. 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