4x founder
Jeffrey Byun
Technology Founder
2026Co-founder· YC (P26) Startup
Founder · since 2011Company
YC (P26) Startup
Role
CEO & Co-Founder
current
Stage
—
no public source
Raised
—
no public source
Based
California, United States
current
Founder / co-founder — the company's markEmployee / research role
Source: LinkedIn work historyProfile coverage5 of 7 · missing posts, contact
Experience
Career
2026YC (P26) Startup
Co-founderCEO & Co-Founder · California, United States · 2026 – Present
2018BLADE
Co-founderCEO & Co-Founder · San Francisco, California, United States · 2018 – 2023
2012OrderAhead (acquired by Square)
Co-founderCEO & Co-Founder · San Francisco, California, United States · 2012 – 2017
2011Y Combinator
FounderPortfolio Company Founder · Palo Alto, California, United States · 2011
Bio
2x YC founder (W11, P26), CEO of Akkari, and former bond trader. Previously scaled OrderAhead (acq by Square) to millions of users and BLADE to $1.2B+ in monthly trading volume.