Jeffrey Dietrich
FounderFounder at Rarebird · Founder at Lygos
San Francisco, California, United States
FoundedLygos · YCRarebird · YC
Find your path to Jeffrey
166 people in our graph share verified history with Jeffrey — schools, employers, funds. One of them is your warm intro.
About
Jeffrey Dietrich holds a Ph.D. in BioEngineering from UC Berkeley, where he worked on biomanufacturing in Jay Keasling's lab, and was co-founder and CTO of Lygos, a Y Combinator-backed company that commercialized industrial biochemicals. He has served on advisory boards for Department of Energy and NSF-backed institutions and holds multiple patents in the field.
Founder at RarebirdYC S20
Intro paths
Jeffrey went through Y Combinator (Summer 2020) — any YC alum in your network can reach them through the YC community.
In turn, Jeffrey can intro founders to Rarebird's investors below.
Rarebird's investors · 2
Founder at LygosYC W16
Intro paths
Jeffrey went through Y Combinator (Winter 2016) — any YC alum in your network can reach them through the YC community.
In turn, Jeffrey can intro founders to Lygos's investors below.
Lygos's investors · 11
Co-founders at Lygos

Experience
- Rarebird, Inc.Founder and CEOcurrent2020 — presentSan Leandro, California, United States
- LygosCo-founder, Chief Technology Officer2011 — 2019Berkeley, CA
- UC BerkeleyGraduate student (PhD)2005 — 2011
- Joint BioEnergy InstituteGraduate Student2005 — 2011
Skills & more
+8 more
BioinformaticsGenomicsHPLCLaboratoryGeneticsMicroscopyCell BiologySystems BiologyFrom Jeffrey's professional profile.
Frequently asked questions
- Who is Jeffrey Dietrich?
- Jeffrey Dietrich holds a Ph.D. in BioEngineering from UC Berkeley, where he worked on biomanufacturing in Jay Keasling's lab, and was co-founder and CTO of Lygos, a Y Combinator-backed company that commercialized industrial biochemicals. He has served on advisory boards for Department of Energy and NSF-backed institutions and holds multiple patents in the field.
- Where does Jeffrey Dietrich work?
- Jeffrey Dietrich is Founder of Lygos and Founder at Rarebird.
- What companies did Jeffrey Dietrich found?
- Jeffrey Dietrich founded Lygos, Rarebird.
- Where did Jeffrey Dietrich go to school?
- Jeffrey Dietrich studied at University of California, Berkeley (PhD, Bioengineering); Rice University (BS, Bioengineering).
Founder mafias
Y Combinator mafia10,230
Also came through, then founded or led a company.
+ 10,223 more
Rice University mafia104
Also came through, then founded or led a company.
+ 97 more
Lygos mafia2
Also came through, then founded or led a company.
Same school
Also attended University of California, Berkeley2,000
+ 1,994 more
Also attended Rice University262
+ 256 more
Shared employers
Also worked at Rarebird, Inc.1
Also worked at Lygos4
Also worked at UC Berkeley531
+ 525 more
Also worked at Joint BioEnergy Institute7
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