Greg Sirotek
FounderFounder at Glow Energy
Los Angeles, California, United States
FoundedGlow Energy · YC
About
Greg is co-founder and CEO of OpenCoreEMR, a company formed to commercialize OpenEMR. He previously founded Glow Energy, which was acquired by Ivy Energy in 2024, and co-founded a proptech startup that led to roles at Airbnb including work on host growth and Head of Home Experience for Luxe.
Founder at Glow EnergyYC W22
Intro paths
Greg went through Y Combinator (Winter 2022) — any YC alum in your network can reach them through the YC community.
Their group partner at YC was Gustaf Alstromer — the partner who ran Glow Energy's batch and knows the company first-hand. YC profile ↗
In turn, Greg can intro founders to Glow Energy's investors below.
Glow Energy's investors · 2
Co-founders at Glow Energy
Experience
- OpenCoreEMRCo-founder and CEOcurrent2025 — presentLos Angeles, California, United States
- Ivy EnergySenior Vice President2025Los Angeles, California, United States
- Ivy EnergyVP, Corporate Strategy & Development2024 — 2025Los Angeles, California, United States
- Glow EnergyCo-founder and CEO2021 — 2024Los Angeles, California, United States
- On DeckFellow2020 — 2021
- AziboAdvisor2020
- AziboHead of Strategy & Operations2019San Francisco Bay Area
- AirbnbHead of Home Experience, Airbnb Lux2017 — 2019San Francisco Bay Area
- AirbnbManager, Airbnb Plus2017San Francisco
- AirbnbSupply Growth Lead2015 — 2017San Francisco Bay Area
- RentMethodCEO and Co-Founder2010 — 2015San Francisco
- Robert W. Baird & Co.Investment Banking Financial Analyst2008 — 2010San Francisco Bay Area
Skills & more
+2 more
Due DiligenceCorporate FinanceFrom Greg's professional profile.
Frequently asked questions
- Who is Greg Sirotek?
- Greg is co-founder and CEO of OpenCoreEMR, a company formed to commercialize OpenEMR. He previously founded Glow Energy, which was acquired by Ivy Energy in 2024, and co-founded a proptech startup that led to roles at Airbnb including work on host growth and Head of Home Experience for Luxe.
- Where does Greg Sirotek work?
- Greg Sirotek is Founder of Glow Energy.
- What companies did Greg Sirotek found?
- Greg Sirotek founded Glow Energy.
- Where did Greg Sirotek go to school?
- Greg Sirotek studied at Y Combinator (YC W22); Marquette University (Bachelor of Science (BS), Finance).
Founder mafias
Y Combinator mafia8,773
Also came through, then founded or led a company.
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Y Combinator mafia4,716
Also came through, then founded or led a company.
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Airbnb mafia65
Also came through, then founded or led a company.
+ 58 more
Marquette University mafia8
Also came through, then founded or led a company.
+ 1 more
Azibo mafia4
Also came through, then founded or led a company.
Same school
Also attended Y Combinator2,000
+ 1,994 more
Also attended Marquette University39
+ 33 more
Shared employers
Also worked at On Deck166
+ 160 more
Also worked at Azibo7
+ 1 more






































