Fundraising Fox

Kyle Macomber

Founder

Founder at bitrig

Los Altos, California, United States

Foundedbitrig · YC

About

Kyle Macomber is co-founder and CEO of Bitrig. Previously, he spent more than ten years at Apple leading development of SwiftUI and managing teams working on Swift Charts, WidgetKit, and the Swift Standard Library. He holds a degree in Computer Science from Stanford University.

Founder at bitrigYC S25

Intro paths

YC

Kyle went through Y Combinator (Summer 2025) — any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was Brad Flora, Backing expeditions into the future — the partner who ran bitrig's batch and knows the company first-hand. YC profile ↗

In turn, Kyle can intro founders to bitrig's investors below.

Co-founders at bitrig

TDTim Donnelly
JXJacob Xiao
Jacob XiaoFounder

Experience

  1. BitrigCo-founder & CEOcurrent2025 — presentMountain View, California, United States
  2. AppleSenior Software Engineering Manager (SwiftUI)2022 — 2025
  3. AppleSoftware Engineering Manager (Swift Standard Library)2019 — 2022
  4. AppleSenior Software Engineer (SwiftUI)2015 — 2019
  5. AppleSenior Software Engineer (Messages)2012 — 2015
  6. AppleSoftware Engineer (Messages)2011 — 2012
  7. Apple Inc.Software Engineer Intern2010
  8. Yahoo!Software Engineer Intern2009
  9. TapulousSoftware Engineer Intern2008

Frequently asked questions

Who is Kyle Macomber?
Kyle Macomber is co-founder and CEO of Bitrig. Previously, he spent more than ten years at Apple leading development of SwiftUI and managing teams working on Swift Charts, WidgetKit, and the Swift Standard Library. He holds a degree in Computer Science from Stanford University.
Where does Kyle Macomber work?
Kyle Macomber is Founder of bitrig.
What companies did Kyle Macomber found?
Kyle Macomber founded bitrig.
Where did Kyle Macomber go to school?
Kyle Macomber studied at Stanford University (B.S., Computer Science (Systems Focus)); Y Combinator (S25); Los Altos High School.

Founder mafias

Same school

Shared employers