Founder Directory
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Founders5
Known for these resultsRole80%Role is parsed from founder titles in yc.db. Known for 80% 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.School0%School is matched from bios, case-sensitive for acronyms. 0% of these rows have at least one match.
- Ross GruberFounder · Glow EnergyW22Industrials · Los Angeles
- Greg KressFounder/CEO · PearlW17B2B · San Francisco
- Scott SteberFounder/CTO · PearlW17B2B · San Francisco
- Ryan Chan@ryanchanupkeepFounder/CEO · UpKeepW17B2B · Los Angeles
- Vishwas Prabhakara@vishwaspFounder/CEO · FanvibeS10Consumer · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Ross GruberGlow EnergyFounderWinter 2022IndustrialsLos Angeles, United States6—Greg KressPearlFounder/CEOWinter 2017B2BSan Francisco, United States0—Scott SteberPearlFounder/CTOWinter 2017B2BSan Francisco, United States0—Ryan ChanUpKeepFounder/CEOWinter 2017B2BLos Angeles, United States150https://x.com/ryanchanupkeepVishwas PrabhakaraFanvibeFounder/CEOSummer 2010ConsumerSan Francisco, United States2https://x.com/vishwaspShowing 1–5 of 5 founders
Greg Sirotek
Founder·Glow Energy
PRIMARY INFO
RoleFounder· not in title
Team size6
BatchWinter 2022
LocationLos Angeles, United States
Company statusAcquired
StageEarly
BIO
Greg is the co-founder and CEO of OpenCoreEMR, launched in June 2025 with Open Core Ventures to commercialize OpenEMR, the world’s most widely used open-source electronic health records platform. Previously, he was co-founder and CEO of Glow Energy, acquired by Ivy Energy in 2024. Earlier, Greg co-founded a proptech startup that led to his role at Airbnb, where he helped reaccelerate host growth and later served as Head of Home Experience, Luxe.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
Credentialsnone mentioned
Disciplinenot detectedKeyword match from the bio text, not a classifier.
TRACK RECORD
Exit mentioned in bio
COMPANY CONTEXT
Unlocking Virtual Power Plants for rental properties
IndustryIndustrials
Websiteglowenergy.com/
Team size6
LocationLos Angeles, United States
BatchWinter 2022
Co-foundersRoss Gruber