Fundraising Fox

Josh Bilenker

InvestorFounder

Partner at Aisling Capital · Founder at Treeline Biosciences · Board director at Viewray · Board director at Lensar

FoundedTreeline Biosciences

Find your path to Josh

24 people in our graph share verified history with Josh — schools, employers, funds. One of them is your warm intro.

David SchenkeinunlockedJosh: together at Treeline Biosciences
×8Josh: together at Aisling Capital
Josh: together at Treeline Biosciences
Josh: together at Viewray

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.

Likely email· guessed from name + firm domain, not firm-published

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
JB
Josh BilenkerFounder

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

Aisling CapitalNew YorkF-Prime CapitalCambridge · $3M – $10M checks · since 2014OrbiMedNew York · $1M – $75M checks · since 2014

Co-founders at Viewray

JFJames F. Dempsey
James F. DempseyExecutive Officer, Director

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

Aisling CapitalNew York · since 2014Versant Venture AIV HoldingsSan Francisco · since 2023

Co-founders at Lensar

RW
Randy W FreyDirector

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
Managing Partner at Ajax Health
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

Frequently asked questions

Who is Josh Bilenker?
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.
Where does Josh Bilenker work?
Josh Bilenker is Founder of Treeline Biosciences and Partner at Aisling Capital and Board director at Viewray and Board director at Lensar.
What companies did Josh Bilenker found?
Josh Bilenker founded Treeline Biosciences.
What boards does Josh Bilenker sit on?
Josh Bilenker holds tracked board seats at Lensar.