Jeffrey Byun
FounderCEO, Co-Founder at Akkari Β· CEO, Co-Founder at OrderAhead
United States
FoundedAkkari Β· YCOrderAhead Β· YC
About
Jeffrey Byun is a YC-backed founder who previously worked as a bond trader and led OrderAhead through a period of user growth before its acquisition by Square; he later built BLADE to significant trading volume. He is currently CEO of Akkari.
CEO, Co-Founder at AkkariYC X26
Intro paths
Jeffrey went through Y Combinator (Spring 2026) β any YC alum in your network can reach them through the YC community.
Their group partner at YC was Aaron Epstein, General Partner at Y Combinator β the partner who ran Akkari's batch and knows the company first-hand. YC profile β
In turn, Jeffrey can intro founders to Akkari's investors below.
Akkari's investors Β· 2
Co-founders at Akkari
CEO, Co-Founder at OrderAheadYC W11
Intro paths
Jeffrey went through Y Combinator (Winter 2011) β any YC alum in your network can reach them through the YC community.
In turn, Jeffrey can intro founders to OrderAhead's investors below.
OrderAhead's investors Β· 2
Co-founders at OrderAhead
Experience
- YC (P26) StartupCEO & Co-Foundercurrent2026 β presentCalifornia, United States
- BLADECEO & Co-Founder2018 β 2023San Francisco, California, United States
- OrderAhead (acquired by Square)CEO & Co-Founder2012 β 2017San Francisco, California, United States
- Y CombinatorPortfolio Company Founder2011Palo Alto, California, United States
Frequently asked questions
- Who is Jeffrey Byun?
- Jeffrey Byun is a YC-backed founder who previously worked as a bond trader and led OrderAhead through a period of user growth before its acquisition by Square; he later built BLADE to significant trading volume. He is currently CEO of Akkari.
- Where does Jeffrey Byun work?
- Jeffrey Byun is CEO, Co-Founder of Akkari and CEO, Co-Founder at OrderAhead.
- What companies did Jeffrey Byun found?
- Jeffrey Byun founded Akkari, OrderAhead.
- Where did Jeffrey Byun go to school?
- Jeffrey Byun studied at Massachusetts Institute of Technology (Master of Business Administration (M.B.A.)); University of Pennsylvania (Bachelor's degree).
Founder mafias
Y Combinator mafia8,773
Also came through, then founded or led a company.
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Massachusetts Institute of Technology mafia546
Also came through, then founded or led a company.
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University of Pennsylvania mafia201
Also came through, then founded or led a company.
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Same school
Also attended Massachusetts Institute of Technology1,521
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Also attended University of Pennsylvania1,026
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Shared employers
Also worked at YC (P26) Startup1
Also worked at BLADE1
Also worked at OrderAhead (acquired by Square)4
Also worked at Y Combinator344
+ 338 more