About
Jacob Xiao spent 15 years at Apple where he led development on SwiftUI and contributed to Xcode and UIKit. He previously built Opacity, a graphical design tool, and is now co-founding bitrig.
Founder at bitrigYC S25
Intro paths
YC
Jacob went through Y Combinator (Summer 2025) β 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 β the partner who ran bitrig's batch and knows the company first-hand. YC profile β
β
In turn, Jacob can intro founders to bitrig's investors below.
bitrig's investors Β· 1
Co-founders at bitrig
KM
Kyle MacomberFounder
TD
Tim DonnellyFounder
Experience
- BitrigCo-founder, Engineeringcurrent2025 β presentCupertino, California, United States
- AppleSenior Software Engineering Manager2010 β 2025Cupertino, California, United States
Frequently asked questions
- Who is Jacob Xiao?
- Jacob Xiao spent 15 years at Apple where he led development on SwiftUI and contributed to Xcode and UIKit. He previously built Opacity, a graphical design tool, and is now co-founding bitrig.
- Where does Jacob Xiao work?
- Jacob Xiao is Founder of bitrig.
- What companies did Jacob Xiao found?
- Jacob Xiao founded bitrig.
Founder mafias
Y Combinator mafia8,773
Also came through, then founded or led a company.
Sam AltmanPresidentFounded Tools for Humanity +3Jessica LivingstonCo-founderFounded Y CombinatorAlexis OhanianYC Summer 2005Founded RedditFred EhrsamYC Summer 2012Founded Nudge +1Matt HuangYC Winter 2011Founded HotspotsTrae StephensYC Winter 2022Founded Pursuit +1
+ 8,766 more
Shared employers
Also worked at Bitrig2
Also worked at Apple490
Reid HoffmanCo-founder of LinkedIn; Partner at GreylockJim BreyerFounder & CEO of Breyer CapitalDaniel GrossMeta Superintelligence Labs; co-founder of NFDG and Safe SuperintelligenceSteve JurvetsonCo-founder of Future VenturesKai-Fu LeeChairman of Sinovation Ventures and CEO of 01.AISteve WozniakCo-founder of Apple
+ 484 more