John Maraganore
InvestorUnicorn founderFounder at Alnylam Pharmaceuticals · Executive Partner at RTW Investments L.P. · Venture Partner at Atlas Venture · Advisor at Oak HC/FT · Venture Partner, Entrée Bio at Entrée Capital
Boston, Massachusetts, United States
Find your path to John
Sign up to see every warm intro you have to John
- Paths you didn't know you had: your email and LinkedIn already hold routes to John. We find them for you
- 2nd- and 3rd-degree connections: the friend-of-a-friend routes that take hours to manually find through your inbox or LinkedIn
- Answers now, not in days: momentum is everything in a raise. Skip asking around whether someone knows someone
Days of research, done the moment you sign in, with every route ranked by how warm it is.
About
Founding CEO of Alnylam Pharmaceuticals, which he led from 2002-2021, overseeing the development and commercialization of the first RNAi medicines. He is currently CEO of JMM Innovations and serves on numerous biopharma boards; he holds an M.S. and Ph.D. in biochemistry and molecular biology from the University of Chicago.
Likely emails· guessed from name + firm domain, not firm-published
- j•••@alnylam.comreveal90% confident
- j•••@alnylam.comreveal80% confident
Founder at Alnylam Pharmaceuticals
Intro paths
In turn, John can intro founders to Alnylam Pharmaceuticals's investors below.
Alnylam Pharmaceuticals's investors · 6
Co-founders at Alnylam Pharmaceuticals

Colleagues at RTW Investments L.P.
Frequently asked questions
- Who is John Maraganore?
- Founding CEO of Alnylam Pharmaceuticals, which he led from 2002-2021, overseeing the development and commercialization of the first RNAi medicines. He is currently CEO of JMM Innovations and serves on numerous biopharma boards; he holds an M.S. and Ph.D. in biochemistry and molecular biology from the University of Chicago.
- Where does John Maraganore work?
- John Maraganore is Founder of Alnylam Pharmaceuticals and Executive Partner at RTW Investments L.P. and Venture Partner at Atlas Venture and Advisor at Oak HC/FT and Venture Partner, Entrée Bio at Entrée Capital.
- What companies did John Maraganore found?
- John Maraganore founded Alnylam Pharmaceuticals.
Founder mafias
University of Chicago mafia236
Also came through, then founded or led a company.
Atlas Venture mafia40
Also came through, then founded or led a company.
ARCH Venture Partners mafia19
Also came through, then founded or led a company.
Oak HC/FT mafia9
Also came through, then founded or led a company.
Blackstone mafia7
Also came through, then founded or led a company.
About this profile. Compiled from public sources — RTW Investments L.P.'s own website and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights





































