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Star Therapeutics

South San Francisco, US · 19 known investors

Find your way into Star Therapeutics

211 people in our graph share verified history with the Star Therapeutics team — schools, employers, funds. One of them is your warm intro.

Scott Braunsteinunlockedknows Gary Patou · together at Pacira Pharmaceuticals, Inc. (overlapped)
×3knows the team · via Xenon Pharma
knows the team · via Bioverativ, a Sanofi company
×3knows the team · via Blade Therapeutics
×4knows the team · via Chiasma

Star Therapeutics develops treatments aimed at addressing real-world patient needs.

Biotech

Founders & leadership

ARAdam Rosenthal
Adam RosenthalCEO and FounderAdam Rosenthal founded Star Therapeutics after leading multiple successful therapeutic development programs; his prior companies, including Vega Therapeutics, True North Therapeutics, and iPierian, were acquired for a combined $3.55 billion.
NSNancy Stagliano
Nancy StaglianoCo-founder · Executive ChairCEO at Neuron23
MC
Michelle CarpenterExecutive
SP
Sandip PanickerExecutive
SRScott Robertson
Scott RobertsonChief Business Officer & Chief Financial Officer
GP
Gary PatouChief Medical Officer2020–2026Gary Patou is an executive officer at Star Therapeutics who has held leadership positions in large pharmaceutical and small biotech companies, with experience spanning drug development across infectious disease, pain, dermatology, autoimmune disease, and vaccines, including involvement in multiple Phase 3 clinical trials and drug approvals.

Board

JHJason Hafler
Jason HaflerBoard directorManaging Director at Sanofi Ventures
CGCarl Gordon
Carl GordonBoard directorManaging Partner at OrbiMed
AN
Amrit NagpalBoard director
BSBeth Seidenberg
Beth SeidenbergBoard directorFounding Managing Director at Westlake Village BioPartners
MKMaha Katabi
Maha KatabiBoard MemberGeneral Partner at Sofinnova Ventures
MF
Matthew FustBoard director

Investors · 19

OrbiMedlisted by OrbiMedNew York · $1M – $75M

How we know: OrbiMed's portfolio page · a partner's Signal profile · star-therapeutics.com · the VCSheet dataset · Not right? Tell us

RA Capitallisted by RA CapitalBoston

How we know: RA Capital's portfolio page · star-therapeutics.com · Not right? Tell us

Sanofi Ventureslisted by Sanofi VenturesCambridge · $5M

How we know: Sanofi Ventures's portfolio page · a partner's Signal profile · board seat on SEC Form D · star-therapeutics.com · the VCSheet dataset · Not right? Tell us

Sofinnova Ventureslisted by Sofinnova VenturesMenlo Park · $100K – $15M

How we know: Sofinnova Ventures's portfolio page · a partner's Signal profile · board seat on SEC Form D · the VCSheet dataset · Not right? Tell us

Agent CapitalreportedWaltham

How we know: star-therapeutics.com · the VCSheet dataset · Not right? Tell us

Blue Owl CapitalreportedNew York

How we know: star-therapeutics.com · Not right? Tell us

Catalio Capital ManagementreportedNew York

How we know: star-therapeutics.com · Not right? Tell us

Cowen Healthcare InvestmentsreportedNew York

How we know: funding news · Not right? Tell us

Janus Henderson InvestorsreportedLondon

How we know: star-therapeutics.com · Not right? Tell us

Kleiner PerkinsreportedMenlo Park · $500K – $15M

How we know: a partner's Signal profile · Not right? Tell us

New Leaf Venture PartnersreportedNew York

How we know: star-therapeutics.com · Not right? Tell us

NYBC VenturesreportedNew York

How we know: star-therapeutics.com · Not right? Tell us

Qatar Investment AuthorityreportedDoha

How we know: star-therapeutics.com · Not right? Tell us

REDMILEreportedSan Francisco

How we know: star-therapeutics.com · Not right? Tell us

Viking Global InvestorsreportedStamford

How we know: star-therapeutics.com · Not right? Tell us

Westlake Village BioPartnersinferredLos Angeles · $100K – $5Mvia Beth Seidenberg · board

How we know: board seat on SEC Form D · Not right? Tell us

Also in the syndicate · 2

Cormorant Asset ManagementGordonMD Global Investments

Funding

SEC filings, press & company announcements

$250M disclosed across 2 of 3 rounds · 2023–2025

▶$125MraisedOct 2025 · 21 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • Jason HaflerDirector
  • Nancy StaglianoDirector
  • Michelle CarpenterExecutive Officer
  • Carl GordonDirector
  • Matthew FustDirector
  • Amrit NagpalDirector
  • Beth SeidenbergDirector
  • Sandip PanickerExecutive Officer
  • Scott RobertsonExecutive Officer
  • Adam RosenthalExecutive Officer, Director
  • Maha KatabiDirector
  • Gary PatouExecutive Officer
Offering amount
$125M
Amount sold
$125M
First sale
Sep 2025
Incorporated
Limited Liability Company, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

In the news

Star Therapeutics Announces Oversubscribed $125 Million Series D Financing – STAR Therapeuticsstar-therapeutics.com · Sep 2025Star Therapeutics raises $90 million financing to accelerate its pipeline of novel antibody therapies and growth of its portfolio companies – STAR Therapeuticsstar-therapeutics.com · Sep 2023News - STAR Therapeuticsstar-therapeutics.com · Jan 2022

Frequently asked questions

What does Star Therapeutics do?
Star Therapeutics develops treatments aimed at addressing real-world patient needs.
Who founded Star Therapeutics?
Star Therapeutics was founded by Adam Rosenthal, Nancy Stagliano.
Who are Star Therapeutics's investors?
Star Therapeutics's investors include Frazier Life Sciences, OrbiMed, RA Capital, Sanofi Ventures, Sofinnova Ventures, Agent Capital, Blue Owl Capital, Catalio Capital Management and 9 more.
How much funding has Star Therapeutics raised?
Star Therapeutics has disclosed $250M raised across 2 of its 3 known rounds.
Where is Star Therapeutics headquartered?
Star Therapeutics is headquartered in South San Francisco, US.