Where does John Keilty work?

John Keilty is Venture Partner at Third Rock Ventures.

What check size does John Keilty write?

John Keilty typically writes checks of $100K – $5M.

Where did John Keilty go to school?

John Keilty studied at Clark University (Biology, General); Brandeis University (Bioinformatics).

John Keilty

Investor

Venture Partner at Third Rock Ventures

East Coast

Writes $100K – $5M checks · typically $1.5M

About

John Keilty is a venture partner at Third Rock Ventures, where he works with the platform team to develop and refine technology roadmaps across the portfolio, focusing on identifying and integrating drug discovery and development technology platforms. Before joining Third Rock in 2014, he spent nearly 13 years at Infinity Pharmaceuticals, ultimately serving as vice president of information technology and informatics, where he oversaw information systems, software development, computational science, biostatistics, clinical data management and clinical informatics. He holds a biology degree from Clark University and a master's in bioinformatics from Brandeis University. He is based on the East Coast.

Beyond investing

Education: Earned a B.A. in Biology from Clark University. Holds an M.S. in Bioinformatics from Brandeis University.
Charities: Once let a coworker shave his head with a Flowbee to raise money for a local nonprofit focused on cancer patient support.

From John's own website — common ground for a warm intro.

Experience

INFLECTION MedicineInterim CTOcurrent2025 — present
Third Rock VenturesVenture Partnercurrent2014 — present
Brandeis UniversityInstructor, Bioinformaticscurrent2011 — present
Thrive Earlier Detection Corp.Interim Chief Data Officer2019 — 2022
Decibel TherapeuticsChief Data Sciences Officer2017 — 2021Cambridge, MA
Infinity PharmaceuticalsVice President, Informatics2002 — 2014
Millennium PharmaceuticalsSr. Manager1996 — 2002
Howard Hughes Medical InstituteResearch Associate1991 — 1996

Skills & more

Drug Discovery40Informatics9Bioinformatics47Lifesciences12Drug Development32Oncology19Biotechnology54Argus Safety1SOX Compliancy121 CFR Part 116Information Technology1Biomarkers9

+12 more

Clinical TrialsGenomicsClinical DevelopmentMolecular BiologyCancerData ManagementBiostatisticsBiopharmaceuticalsOracle E-Business SuitePharmaceutical IndustryCROTechnology Transfer

From John's professional profile.

Colleagues at Third Rock Ventures

Abbie Celniker

Investor at Third Rock Ventures

Adam Tebbe

Investor at Third Rock Ventures

Alan Ezekowitz

Investor at Third Rock Ventures

Alison Connors

Investor at Third Rock Ventures

Amanda Chan

Investor at Third Rock Ventures

Andrea van Elsas

Investor at Third Rock Ventures

Andrew Warren

Senior Associate at Third Rock Ventures

Angelo Severino

Investor at Third Rock Ventures

Frequently asked questions

Who is John Keilty?: John Keilty is a venture partner at Third Rock Ventures, where he works with the platform team to develop and refine technology roadmaps across the portfolio, focusing on identifying and integrating drug discovery and development technology platforms. Before joining Third Rock in 2014, he spent nearly 13 years at Infinity Pharmaceuticals, ultimately serving as vice president of information technology and informatics, where he oversaw information systems, software development, computational science, biostatistics, clinical data management and clinical informatics. He holds a biology degree from Clark University and a master's in bioinformatics from Brandeis University. He is based on the East Coast.
Where does John Keilty work?: John Keilty is Venture Partner at Third Rock Ventures.
What check size does John Keilty write?: John Keilty typically writes checks of $100K – $5M.
Where did John Keilty go to school?: John Keilty studied at Clark University (Biology, General); Brandeis University (Bioinformatics).