Find your path to Bu Kinoshita
237 people in our graph share verified history with Bu Kinoshita — schools, employers, funds. One of them is your warm intro.
About
Bu Kinoshita was the first engineer at WorkOS, where he built the initial product and helped it grow to serve over 200 B2B SaaS customers. He has developed open-source packages and maintains expertise in Node.js and product development, and now serves as co-founder and CTO at Resend.
Likely email· guessed from name + firm domain, not firm-published
- b•••@resend.comreveal75% confident
Founder at ResendYC W23
Intro paths
Bu went through Y Combinator (Winter 2023) — any YC alum in your network can reach them through the YC community.
Their group partner at YC was Diana Hu, General Partner at Y Combinator — the partner who ran Resend's batch and knows the company first-hand. YC profile ↗
In turn, Bu can intro founders to Resend's investors below.
Resend's investors · 3
Co-founders at Resend

Experience
- ResendCo-Founder & CTOcurrent2022 — present
- WorkOSSoftware Engineer2019 — 2022
- IDwallSenior Software Engineer2018 — 2019São Paulo Area, Brazil
- BoxesSenior Frontend Engineer2016 — 2017New York, NY
- TradeshowSenior Frontend Engineer2016 — 2017New York, New York
- nanoPay incFront-end Developer & UX Designer2015 — 2016Toronto, Canada Area
- Vitrine AppFront-end Developer & UX Designer2014 — 2015São Paulo e Região, Brasil
- JoysticketAngularJS & Ionic Developer2014 — 2015
- Samsung ElectronicsFront-end Engineer2015São Paulo Area, Brazil
- BevedFront-end Engineer2015São Paulo Area, Brazil
- BetalabsFront-end Developer & UX Designer2014
Skills & more
+12 more
BowerGulpExpressJSFront-end DevelopmentHTMLHTML5CSSJavaScriptAngularJSNode.jsMongoDBGruntLanguages Inglês · Português
- EF Standardize (EFSET) — C2 — EF
- Powering up with React — Code School
- Duolingo English: Advanced — Duolingo
- Staying Sharp With AngularJS — Code School
- JavaScript Road Trip Part 1 — Code School
- User Experience Fundamentals for Web Design — Lynda.com
- Sharping up with AngularJS — Code School
From Bu's professional profile.
Frequently asked questions
- Who is Bu Kinoshita?
- Bu Kinoshita was the first engineer at WorkOS, where he built the initial product and helped it grow to serve over 200 B2B SaaS customers. He has developed open-source packages and maintains expertise in Node.js and product development, and now serves as co-founder and CTO at Resend.
- Where does Bu Kinoshita work?
- Bu Kinoshita is Founder of Resend.
- What companies did Bu Kinoshita found?
- Bu Kinoshita founded Resend.
- Where did Bu Kinoshita go to school?
- Bu Kinoshita studied at University of California, San Diego (Interaction Design); MongoDB University (MongoDB for NodeJS Developers); Codeschool.
Founder mafias
Y Combinator mafia10,230
Also came through, then founded or led a company.
+ 10,223 more
UC San Diego mafia235
Also came through, then founded or led a company.
+ 228 more
Samsung Electronics mafia62
Also came through, then founded or led a company.
+ 55 more
Coursera mafia34
Also came through, then founded or led a company.
+ 27 more
WorkOS mafia10
Also came through, then founded or led a company.
+ 3 more
Same school
Also attended University of California, San Diego497
+ 491 more
Also attended Coursera20
+ 14 more
Shared employers
Also worked at WorkOS13
+ 7 more
Also worked at IDwall1
Also worked at Samsung Electronics160
+ 154 more
























































