About
William Sun is co-founder and CEO of Auctor AI.
Founder at AuctorYC X25
Intro paths
YC
William went through Y Combinator (Spring 2025) — any YC alum in your network can reach them through the YC community.
GP
Their group partner at YC was Pete Koomen, General Partner at Y Combinator — the partner who ran Auctor's batch and knows the company first-hand. YC profile ↗
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In turn, William can intro founders to Auctor's investors below.
Auctor's investors · 5
Co-founders at Auctor
Experience
- AuctorCEO / Co-Foundercurrent2024 — presentNew York City
- FiOR MedicalCo-Founder2022 — 2023Baltimore
Skills & more
Python (Programming Language)15Java15Competitive Analysis21Machine Learning19Market Analysis20Teamwork16Interpersonal Communication16Analytical Skills14Computer Vision15Problem Solving16
From William's professional profile.
Frequently asked questions
- Who is William Sun?
- William Sun is co-founder and CEO of Auctor AI.
- Where does William Sun work?
- William Sun is Founder of Auctor.
- What companies did William Sun found?
- William Sun founded Auctor.
- Where did William Sun go to school?
- William Sun studied at The Johns Hopkins University; Y Combinator; The Ohio State University (High School Dual Enrollment Student, Computer Science).
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
The Johns Hopkins University mafia58
Also came through, then founded or led a company.
Christoph LengauerPostdocFounded Celsius Therapeutics +2Anne OsdoitMaster of Science (MS)Founded Moon Surgical +2Andrew LevyBachelor of Science (B.S.)Founded Apteligent +2Matt MichelsonB.S.Founded Evid Science +1Merrill AnovickB.A. with HonorsFounded Lynd Clinical +1Kanishk ParasharBSFounded Powder +1
+ 51 more
The Ohio State University mafia29
Also came through, then founded or led a company.
Andy SparksB.A.Founded LaunchGram +1Ray GrieselhuberBachelor of Arts - BAFounded Functionize +1Kevin UnkrichBachelor’s DegreeFounded Superpower +1John RiceBSFounded Akebia Therapeutics +1Jason KaliraBSBAFounded ParsableJustin ZeefeB.A. (Honors College of Arts & Sciences)Founded Nisos
+ 22 more
Same school
Also attended The Johns Hopkins University261
Wes NicholsPartner at March Capital PartnersDemi ObayomiPrincipal at Sapphire VenturesJun JeonInvestor at Khosla VenturesNicole FraenkelInvestor at Khosla VenturesElena VibochManaging Director at General CatalystScott RubinVenture Partner at Lux Capital
+ 255 more
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 The Ohio State University117
Keatten SmithCapital Formation Coordinator at March Capital PartnersSara Risch, PhDAdvisor at CincyTechWill McKelveyPrincipal at Lerer HippeauLaura SebastianiVP of Finance at Scale Venture PartnersSuresh BalasubramanianInvestor at Storm VenturesJohn D. SimonExecutive Venture Partner at Caduceus Capital Partners
+ 111 more
