Tiba Aynechi
InvestorFounderGeneral Partner at Norwest Venture Partners · Board director at Rezo Therapeutics · Board director at Ray Therapeutics · Board director at Aristea Therapeutics
San Francisco Bay Area
Writes $10M – $30M checks
FoundedAnaptysBioArcellxAristea TherapeuticsIrhythmtechRay TherapeuticsRezo Therapeutics
About
Tiba Aynechi is a biotech investor at Norwest Venture Partners, investing in healthcare with a focus on early- to mid-stage therapeutics companies. She previously spent over a decade at Novo Holdings A/S, where she deployed roughly $280 million into private biotech, MedTech, and HCIT companies, and earlier worked as a banker on biotech/pharma M&A, licensing, and financing transactions. She holds a bachelor of science in physics with a biomedical concentration from UC Irvine and a Ph.D. in biophysics from UC San Francisco, where she also completed a postdoctoral fellowship.
Invests in
BiotechConsumerDigital HealthEnterprise SoftwareFintechHealthtechMedical Devices
Board director at Rezo Therapeutics
Intro paths
In turn, Tiba can intro founders to Rezo Therapeutics's investors below.
Rezo Therapeutics's investors · 6
Co-founders at Rezo Therapeutics
Board director at Ray Therapeutics
Intro paths
In turn, Tiba can intro founders to Ray Therapeutics's investors below.
Ray Therapeutics's investors · 3
Co-founders at Ray Therapeutics
Board director at Aristea Therapeutics
Intro paths
In turn, Tiba can intro founders to Aristea Therapeutics's investors below.
Aristea Therapeutics's investors · 1
Co-founders at Aristea Therapeutics
Experience
- Norwest Venture PartnersGeneral Partnercurrent2021 — presentSan Francisco Bay Area
- Mosanna TherapeuticsMember Board of Directorscurrent2025 — present
- Engrail TherapeuticsMember Board of Directorscurrent2024 — present
- Ray Therapeutics, Inc.Member Board of Directorscurrent2023 — present
- MBX Biosciences, Inc.Member Board of Directorscurrent2022 — present
- Rezo TherapeuticsMember Board of Directorscurrent2022 — present
- Spruce BiosciencesMember Board Of Directorscurrent2016 — presentSan Francisco Bay Area
- Avalyn PharmaceuticalsMember Board Of Directors2017 — 2026San Diego / Seattle
- Nkarta Therapeutics, IncMember Board Of Directors2015 — 2022South San Francisoc, CA
- Aristea TherapeuticsMember Board Of Directors2018 — 2021
- Novo VenturesSenior Partner2010 — 2021
- ArcellxMember Board of Directors2015 — 2021
- Mirum PharmaceuticalsMember Board Of Directors2018 — 2021Greater San Diego Area
- MDLIVE, an Evernorth companyMember of the Board of Directors2018 — 2021
- Cianna Medical, Inc.Member of Board of Directors2011 — 2018Aliso Viejo, CA
- iRhythm Technologies, Inc.Member Board of Directors2014 — 2017San Francisco Bay Area
- AnaptysBioMember Board Of Directors2015 — 2017Greater San Diego Area
- HTG Molecular DiagnosticsBoard Observer2011 — 2015
- BioClin TherapeuticsMember Board of Directors2014 — 2015San Francisco Bay Area
- Nevro CorporationBoard Observer2013 — 2014Menlo Park, CA
Education
- University of California, San FranciscoPh.D., Graduate Group in Biophysics
- UC IrvineBS, Physics
Deals · 10
Spruce BiosciencesBoard seat
via Norwest Venture Partners · filed Oct 2025 · $50M raise
Rezo TherapeuticsBoard seat
via Norwest Venture Partners · filed Aug 2025 · $80.1M raise
Genoa PharmaceuticalsBoard seat
via Norwest Venture Partners · filed Oct 2023 · $189.2M raise
Ray TherapeuticsBoard seat
via Norwest Venture Partners · filed May 2023 · $100M raise
Aristea TherapeuticsBoard seat
via Norwest Venture Partners · filed Aug 2021 · $63.1M raise
Mirum PharmaceuticalsBoard seat
via Norwest Venture Partners · filed Dec 2020 · $10M raise
ArcellxBoard seat
via Norwest Venture Partners · filed Oct 2019 · $83.7M raise
Nkarta, Inc.Board seat
via Norwest Venture Partners · filed Sep 2019 · $114.6M raise
AnaptysBioBoard seat
via Norwest Venture Partners · filed Jul 2015 · $40.8M raise
IrhythmtechBoard seat
via Norwest Venture Partners · filed Mar 2015 · $29.5M raise
Attribution from SEC filings, press coverage, and firm rosters.
Colleagues at Norwest Venture Partners
Frequently asked questions
- Where does Tiba Aynechi work?
- Tiba Aynechi is General Partner at Norwest Venture Partners and Founder at Rezo Therapeutics and Founder at Ray Therapeutics and Founder at Aristea Therapeutics.
- What does Tiba Aynechi invest in?
- Tiba Aynechi invests in Biotech, Consumer, Digital Health, Enterprise Software, Fintech, Healthtech, Medical Devices.
- What check size does Tiba Aynechi write?
- Tiba Aynechi typically writes checks of $10M – $30M.
- What companies did Tiba Aynechi found?
- Tiba Aynechi founded AnaptysBio, Arcellx, Aristea Therapeutics, Irhythmtech, Ray Therapeutics, Rezo Therapeutics.
Same school
Also attended University of California, San Francisco63
+ 57 more
Also attended UC Irvine117
+ 111 more
