Founder Directory
Built by Keitoto
Founders17
Known for these resultsRole24%Role is parsed from founder titles in yc.db. Known for 24% 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.Bio82%Bio coverage: 82% 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-company6%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 6% of these rows have at least one match.School24%School is matched from bios, case-sensitive for acronyms. 24% of these rows have at least one match.
- Max GreenfeldFounder · Equipt HealthS21Healthcare · Seattle
- Rebecca WeisingerFounder · Equipt HealthS21Healthcare · Seattle
- Orestis Vardoulis@orestisvarFounder · Zeit MedicalS21Healthcare · San Francisco
- Urs NaberFounder · Zeit MedicalS21Healthcare · San Francisco
- Ali Abramovitz Cook@aliabramovitzFounder · Chorus SleepW21B2B · San Francisco
- MK Hurlbutt@mkhurlbuttFounder · Chorus SleepW21B2B · San Francisco
- Warren Runk@warrenrunkFounder · Chorus SleepW21B2B · San Francisco
- Andrew FleischerFounder · HypnosW19Consumer · Dallas
- James Sinka@jamessinkaFounder · HypnosW19Consumer · Dallas
- Martin Siniawski@msiniaFounder/CEO · Evolve (makers of Podcast App & Rest)W18Consumer · San Francisco
- Gasper KolencFounder · TinglesW18Consumer · San Francisco
- Miha Mlakar@MihaPopsyFounder · TinglesW18Consumer · San Francisco
- Yunha KimFounder/CEO · Sleep ResetW17Healthcare · San Francisco
- Andy RinkFounder/CMO · LullyW15Healthcare · San Francisco
- Varun BoriahFounder/CEO · LullyW15Healthcare · San Francisco
- Chris TuritzinFounder · Wink HealthW15Healthcare · San Francisco
- Darwin LoFounder · Wink HealthW15Healthcare · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Max GreenfeldEquipt HealthFounderSummer 2021HealthcareSeattle, United States——Rebecca WeisingerEquipt HealthFounderSummer 2021HealthcareSeattle, United States——Orestis VardoulisZeit MedicalFounderSummer 2021HealthcareSan Francisco, United States2https://x.com/orestisvarUrs NaberZeit MedicalFounderSummer 2021HealthcareSan Francisco, United States2—Ali Abramovitz CookChorus SleepFounderWinter 2021B2BSan Francisco, United States4https://x.com/aliabramovitzMK HurlbuttChorus SleepFounderWinter 2021B2BSan Francisco, United States4https://x.com/mkhurlbuttWarren RunkChorus SleepFounderWinter 2021B2BSan Francisco, United States4https://x.com/warrenrunkAndrew FleischerHypnosFounderWinter 2019ConsumerDallas, United States3—James SinkaHypnosFounderWinter 2019ConsumerDallas, United States3https://x.com/jamessinkaMartin SiniawskiEvolve (makers of Podcast App & Rest)Founder/CEOWinter 2018ConsumerSan Francisco, United States23https://x.com/msiniaGasper KolencTinglesFounderWinter 2018ConsumerSan Francisco, United States6—Miha MlakarTingles2× YCFounderWinter 2018ConsumerSan Francisco, United States6https://x.com/MihaPopsyYunha KimSleep ResetFounder/CEOWinter 2017HealthcareSan Francisco, United States8—Andy RinkLullyFounder/CMOWinter 2015HealthcareSan Francisco, United States5—Varun BoriahLullyFounder/CEOWinter 2015HealthcareSan Francisco, United States5—Chris TuritzinWink HealthFounderWinter 2015HealthcareSan Francisco, United States2—Darwin LoWink HealthFounderWinter 2015HealthcareSan Francisco, United States2—
Showing 1–17 of 17 founders
Andy Rink
Founder/CMO·Lully
PRIMARY INFO
RoleFounder/CMO
Team size5
BatchWinter 2015
LocationSan Francisco, United States
Company statusInactive
StageEarly
BIO
Andy is a Partner at Healthcare Foundry, where he’s been since 2022. A former surgeon, he’s focused his career on healthcare innovation and startups. He co-founded Lully, a YC-backed sleep health startup, and later launched and led Truepill’s nationwide telehealth business. Andy holds an MD from Indiana, a BE from Vanderbilt, and trained at Northwestern and Stanford Biodesign. He lives in Nashville with his wife, two kids, and dog, and enjoys golf, sports, music, food, and wine.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
CredentialsMD
Disciplinenot detectedKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
LullyLully is developing an under-the-mattress technology that precisely…
IndustryHealthcare
Websitelullysleep.com/
Team size5
X—
LocationSan Francisco, United States
BatchWinter 2015
Co-foundersVarun Boriah
