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
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
Education
- Massachusetts Institute of TechnologyMaster of Business Administration (M.B.A.)
- University of PennsylvaniaBachelor's degree
Founder mafias
Y Combinator mafia8,668
Also came through, then founded or led a company.
+ 8,661 more
Massachusetts Institute of Technology mafia464
Also came through, then founded or led a company.
+ 457 more
University of Pennsylvania mafia157
Also came through, then founded or led a company.
+ 150 more
Same school
Also attended Massachusetts Institute of Technology1,290
+ 1,284 more
Also attended University of Pennsylvania764
+ 758 more
Shared employers
Also worked at YC (P26) Startup1
Also worked at BLADE1
Also worked at OrderAhead (acquired by Square)5
Also worked at Y Combinator336
+ 330 more






















