Founder Directory
Built by Keitoto
Founders5
Known for these resultsRole0%Role is parsed from founder titles in yc.db. Known for 0% of these rows — the rest have no title at all, mostly 2019–2023. Those rows stay in the result and are counted as Unknown, never as No.Bio80%Bio coverage: 80% of these founders have a bio on their YC profile. Every bio-derived facet (ex-company, school, credentials, discipline) is Unknown for the rest.Ex-company0%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 0% of these rows have at least one match.School40%School is matched from bios, case-sensitive for acronyms. 40% of these rows have at least one match.
- Julia Niiro@jyniiroFounder · MilkRunS20Consumer · Portland
- Pedro Dellagnelo@PDellagneloFounder · OicoS20B2B · São Paulo
- Jeffrey DietrichFounder · RarebirdS20Healthcare · San Francisco
- Alexa Wahr@alexawahrFounder · RevelS19Consumer · San Francisco
- Lisa Marrone@marronelisaFounder · RevelS19Consumer · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Julia NiiroMilkRunFounderSummer 2020ConsumerPortland, United States38https://x.com/jyniiroPedro DellagneloOicoFounderSummer 2020B2BSão Paulo, Brazil35https://x.com/PDellagneloJeffrey DietrichRarebirdFounderSummer 2020HealthcareSan Francisco, United States5—Alexa WahrRevelFounderSummer 2019ConsumerSan Francisco, United States16https://x.com/alexawahrLisa MarroneRevelFounderSummer 2019ConsumerSan Francisco, United States16https://x.com/marronelisa
Showing 1–5 of 5 founders
Jeffrey Dietrich
Founder·Rarebird
PRIMARY INFO
RoleFounder· not in title
Team size5
BatchSummer 2020
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Jeffrey Dietrich received his Ph.D. in BioEngineering from UC-Berkeley working in Jay Keasling’s lab to develop new biomanufacturing technologies. Jeffrey then co-founded and was CTO at Lygos (YC W16), which raised over $40MM in equity financing and $10MM in Federal awards to commercialize industrial biochemicals. He has also served on advisory boards for Department of Energy- and National Science Foundation-backed institutions and is an inventor on 17 patents or patent applications.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
CredentialsPhD
DisciplineResearcherKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
RarebirdElevating mental health to be a part of your daily coffee ritual.
IndustryHealthcare
Websiterarebird.coffee
Team size5
X—
LocationSan Francisco, United States
BatchSummer 2020
