Josh Bilenker
InvestorFounderPartner at Aisling Capital · Founder at Treeline Biosciences · Board director at Viewray · Board director at Lensar
About
Bilenker, an MD, joined Aisling in 2006 and has been an Operating Partner since 2014. He served as CEO of portfolio company Loxo Oncology until its acquisition by Eli Lilly and is now CEO and co-founder of Treeline Biosciences. He holds an MD from Johns Hopkins and an AB from Princeton.
Founder at Treeline Biosciences
Intro paths
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In turn, Josh can intro founders to Treeline Biosciences's investors below.
Treeline Biosciences's investors · 8
Aisling CapitalNew York · since 2025ARCH Venture PartnersChicago · $50K – $250M checks · since 2025Casdin CapitalNew York · since 2025Fidelity InvestmentsBoston · since 2025GV (Google Ventures)Mountain View · $250K – $50M checks · since 2025OrbiMedNew York · $1M – $75M checks · since 2025Rock Springs CapitalBaltimore · since 2025T. Rowe PriceBaltimore · since 2025
Co-founders at Treeline Biosciences
JE
Jeffrey EngelmanExecutive Officer, Director, Promoter
Board director at Viewray
Intro paths
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In turn, Josh can intro founders to Viewray's investors below.
Viewray's investors · 3
Co-founders at Viewray
JF
James F. DempseyExecutive Officer, Director
DC
David ChandlerMr. Chandler is the Chief Financial Officer of the Issuer.
CA
Chris A. RaanesExecutive Officer, Director
MB
Michael BrandtExecutive Officer
DD
D. David ChandlerExecutive Officer
PR
Peter RoemerDirector
JD
James DempseySecretary of the Issuer.
GM
Gregory M. AyersPresident and Chief Executive Officer of the Issuer.
Board director at Lensar
Intro paths
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In turn, Josh can intro founders to Lensar's investors below.
Lensar's investors · 2
Co-founders at Lensar
AB
Alan B ConnaughtonExecutive Officer
AR
Amy R BrooksExecutive Officer
PJ
Peter J MarianiExecutive Officer
NT
Nicholas T CurtisExecutive Officer, Director
RW
Randy W FreyDirector
KH
Keith H EdwardsExecutive Officer
RD
Ronald D GoldrichExecutive Officer
Deals · 1
LensarBoard seat
via Aisling Capital · filed Jan 2015 · $20M raise
Attribution from SEC filings, press coverage, and firm rosters.
Colleagues at Aisling Capital
A.J Sacks
Analyst at Aisling Capital
Aftab Kherani
Operating Partner at Aisling Capital
Andrew Schiff
Managing Partner at Aisling Capital
Ayman Sabi
Partner at Aisling Capital
Carol Zikopoulos
Head of Human Resources and Compliance Manager at Aisling Capital
Dennis Purcell
Investor at Aisling Capital
Dov Goldstein
Managing Partner at Aisling Capital
Eric Aguiar
Partner at Aisling Capital
Frequently asked questions
- Where does Josh Bilenker work?
- Josh Bilenker is Partner at Aisling Capital and Founder at Treeline Biosciences and Founder at Viewray and Founder at Lensar.
- What companies did Josh Bilenker found?
- Josh Bilenker founded Treeline Biosciences, Lensar, Viewray.