About
Founder of Sira, an AI-powered platform that automates scheduling, payroll, and HR functions for hourly and shift-based workers.
Founder at SiraYC S25
Intro paths
YC
Antonio 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 Andrew Miklas, General Partner at Y Combinator — the partner who ran Sira's batch and knows the company first-hand. YC profile ↗
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In turn, Antonio can intro founders to Sira's investors below.
Sira's investors · 1
Co-founders at Sira
NB
Nathan BelayeFounder
Experience
- SiraCo-Foundercurrent2025 — presentSan Francisco, California, United States
- Vault.fmSenior Software Engineer2024 — 2025
- StealthCo-Founder2022 — 2024
- HEIRFounding Software Engineer2021 — 2022Los Angeles Metropolitan Area
- StockXiOS Software Engineer2020 — 2021Los Angeles, California, United States
- WayfairiOS Engineer II2020Boston, Massachusetts, United States
- WayfairiOS Engineer2019 — 2020Greater Boston Area
Skills & more
Java16Adobe Premiere Pro6Entrepreneurship15Swift15HTML57Cascading Style Sheets (CSS)7Node.js4JavaScript4React.js4SQL4Product Management4Product Development3
+8 more
agileCocoaPodsiOS DevelopmentSwift (Programming Language)GitViperModel-view-viewmodel (MVVM)Model-View-Controller (MVC)Languages Chinese · English · German
From Antonio's professional profile.
Frequently asked questions
- Who is Antonio Chan?
- Founder of Sira, an AI-powered platform that automates scheduling, payroll, and HR functions for hourly and shift-based workers.
- Where does Antonio Chan work?
- Antonio Chan is Founder of Sira.
- What companies did Antonio Chan found?
- Antonio Chan founded Sira.
- Where did Antonio Chan go to school?
- Antonio Chan studied at Y Combinator; Emory University (Bachelor’s Degree, Computer Science and Physics); Z Fellows.
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
Y Combinator mafia4,716
Also came through, then founded or led a company.
Ryan SheaEntrepreneurshipFounded StacksTarek MansourFounded KalshiSuhail DoshiEating beans & riceFounded Playground +1Subomi OluwalanaW22Founded ConvoyDarius "Bubs" MonsefS19Founded Sightbox +3Matthew ScholzFounded Oisin Biotechnologies +3
+ 4,709 more
Z Fellows mafia37
Also came through, then founded or led a company.
Dante VaisbortFounded Haylon Technologies +1David LinFounderFounded DufflTeddy LiZF1Founded NophinColin SnyderTechnology Fellowship | Less than 1% acceptance rateFounded BanaboMikael NidaFounded LotusKatherine HeFounded Nectar
+ 30 more
Emory University mafia28
Also came through, then founded or led a company.
William HockeyComputer ScienceFounded PlaidRomesh SubramanianPh.D.Founded RaNA Therapeutics +2Jay ParrishBSFounded ROME Therapeutics +1David SmollerDoctor of Philosophy - PhDFounded Panome Bio +1Ashish H. MistryBAFounded Ventureatlanta +1Vivek GaripalliFounded CarePoint +1
+ 21 more
Taipei American School mafia3
Also came through, then founded or led a company.
Same school
Also attended Y Combinator2,000
Tarek MansourCo-founder & CEO of KalshiSuhail DoshiFounder of Mixpanel; founder of ParticleSubomi OluwalanaCo-founder & CEO of ConvoyMaroof AhmedFounder at Octopus VenturesJustin SwartPartner at Bitkraft Esports VenturesCollin WallaceGeneral Partner at Lobby Capital
+ 1,994 more
Also attended Emory University124
William HockeyCo-founder of Plaid; founder & CEO of ColumnDave MunichielloInvestor at GV (Google Ventures)Ryan HaysBoard Member at CincyTechJustin RobenyAssociate at Osage University PartnersZitong SuAssociate at Marlin Equity PartnersGurbani SinghPrincipal - Investor Relations at Marlin Equity Partners
+ 118 more
Also attended Z Fellows40
Cory LevyInvestor at NZVCDavid LinFounder at DufflTeddy LiFounder, CEO at NophinColin SnyderFounder at BanaboMikael NidaFounder at LotusKatherine HeFounder at Nectar
+ 34 more
Also attended Taipei American School11
Ed DengCo-Founder and Operating Partner at Verge HealthTech FundAmanda WuChief of Staff at Founders FutureFernando GouveiaManaging Partner at Compa CapitalEthan LinInvestor at Tq Ventures LlcJonathan L. HuaVenture Partner at Scrum VenturesJeffrey LuVenture Partner at Nest.Bio Ventures
+ 5 more
Shared employers
Also worked at Sira1
Also worked at Vault.fm1
Also worked at Stealth123
Tobi CokerDeal Partner at Felicis VenturesSusana RojasInvestor at Index VenturesCasber WangOperating Partner at Sapphire VenturesOlivier GrindaVenture Partner at FJ LabsZachary GinsburgVenture Partner, Calm Ventures at GaingelsArtia MoghbelInvestor at Draft Ventures Llc
+ 117 more
Also worked at StockX14
Hans TungManaging Partner at Notable CapitalRahul MehtaCo-founder at DST GlobalStacy Brown-PhilpotFounder & Managing Partner at Cherryrock CapitalScott CutlerInvestor at EPIC VENTURESJared StasikPartner at Detroit Venture PartnersCory TincherInvestor at Detroit Venture Partners
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+ 8 more