Find your path to Zi Zhang
2,220 people in our graph share verified history with Zi Zhang — schools, employers, funds. One of them is your warm intro.
Yi Min LohunlockedZi Zhang: together at National University of Singapore (2017)
×11Zi Zhang: together at Y Combinator
About
Zi Zhang previously led security infrastructure at Bloomberg and served as Head of Engineering at ACI.dev. He is currently Co-founder and CTO at Proximitty.
Co-Founder & CTO at ProximittyYC W26
Intro paths
YC
Zi went through Y Combinator (Winter 2026) — any YC alum in your network can reach them through the YC community.
GP
Their group partner at YC was Diana Hu, General Partner at Y Combinator — the partner who ran Proximitty's batch and knows the company first-hand. YC profile ↗
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In turn, Zi can intro founders to Proximitty's investors below.
Proximitty's investors · 3
Co-founders at Proximitty
WY
Wye Yew HoCo-Founder & CEO
Experience
- ProximittyCo-Founder and CTOcurrent2025 — presentSan Francisco Bay Area
- BloombergPlatform Security Tech Lead2023 — 2025Greater London, England, United Kingdom
- BloombergDerivatives2021 — 2023New York, United States
- ACI.devHead of Engineering2025Greater London, England, United Kingdom
- C.H. RobinsonCapstone Project2020Minnesota, United States
- SPS CommerceSoftware Engineer Intern2020Minneapolis, Minnesota, United States
- University of MinnesotaStudent Technology Help Specialist2019 — 2020Greater Minneapolis-St. Paul Area
- Huazhong University of Science and TechnologyResearch Assistant2018 — 2019Wuhan, Hubei, China
Skills & more
Java25Python (Programming Language)25Go (Programming Language)22iOS Development2Flask2Django3Spring1C++1Amazon Web Services (AWS)2MySQL1Swift2MongoDB2
+1 more
Express.js- Triplebyte Certified Generalist Software Engineer — Triplebyte
- Concurrency in Go — Coursera
- AWS Fundamentals: Going Cloud-Native — Coursera
From Zi's professional profile.
Frequently asked questions
- Who is Zi Zhang?
- Zi Zhang previously led security infrastructure at Bloomberg and served as Head of Engineering at ACI.dev. He is currently Co-founder and CTO at Proximitty.
- Where does Zi Zhang work?
- Zi Zhang is Co-Founder & CTO of Proximitty.
- What companies did Zi Zhang found?
- Zi Zhang founded Proximitty.
- Where did Zi Zhang go to school?
- Zi Zhang studied at Y Combinator (W26); University of Minnesota (Bachelor of Science - BS, Computer Science); National University of Singapore (Summer School, Civil Engineering).
Founder mafias
Y Combinator mafia10,230
Also came through, then founded or led a company.
Sam AltmanPresidentFounded Tools for Humanity +3Garry TanPresident & CEOFounded Y Combinator +1Jessica LivingstonCo-founderFounded Y CombinatorAlexis OhanianPartnerFounded RedditFred EhrsamYC Summer 2012Founded Nudge +1Matt HuangYC Winter 2011Founded Paradigm +1
+ 10,223 more
National University of Singapore mafia184
Also came through, then founded or led a company.
Aihui OngB.Sc.Founded Buela +3Eugene CheahComputer ScienceFounded Recursal AI, Inc. +2Vishal ChatrathMaster of EngineeringFounded Secondmind +2Mike MoradiLeadershipFounded Southwest Nanotechnologies +1Lloyd LeeExchange StudentFounded Hyperithm +1Sivamani VarunBachelor of Engineering - BEFounded Keygraph +1
+ 177 more
Huazhong University of Science and Technology mafia9
Also came through, then founded or led a company.
Chengjun YuanBachelor’s DegreeFounded SugerJiaxin LinElectrical and Information TechnologyFounded PromiBella LiuBachelor of Science in System Engineering (School of Artificial Intelligence and Automation)Founded Orby AIMing JiangBachelorFounded CipherOwlShu LiuBachelor of Engineering (BEng)Founded 思谋科技 (SmartMore)Wenjing YuBSFounded Bentocart
+ 2 more
Same school
Also attended Y Combinator2,000
Tarek MansourCo-founder & CEO of KalshiSuhail DoshiFounder of Mixpanel; founder of ParticleSubomi OluwalanaCo-founder & CEO of ConvoyArhaan A.Deeptech Fellow at Clear VenturesCollin WallaceGeneral Partner at Lobby CapitalVictor SantosVictor Scout at One Way Ventures
+ 1,994 more
Also attended University of Minnesota319
Madeline PopeSenior Associate, Platform & Marketing at March Capital PartnersNate LeeFounder and Chief Information Security Officer at Scale Venture PartnersIsaac ZikeManaging Director at RiverVest Venture PartnersDean HlushkoSales Manager (Western U.S.) at Needham FundsRichard HeymanVenture Partner at ARCH Venture PartnersJohn BergstromInvestor at Mairs & Power VC
+ 313 more
Also attended National University of Singapore561
Justin HallPartner at Golden Gate VenturesMahati SridharPartner, Rise of the Rest at RevolutionCeline XiaoInvestor at DN CapitalSofia DahouneInvestor at DaphniYi Min LohInvestment Associate at Burda Principal InvestmentsSean LooInvestment Analyst at Burda Principal Investments
+ 555 more
Also attended Huazhong University of Science and Technology16
Raymond LiaoManaging Director at Samsung NextXiang GaoFounding Partner at Gaorong CapitalHan LiuMentor at Lair East LabsSimona XuSenior Research & Strategy Associate at Prosperity7 VenturesMarian Yao TongCEO & Head of Investor Relations at Syntax CapitalZhengnan HuPartner at Shunwei Capital
+ 10 more
Shared employers
Also worked at Proximitty1
Also worked at Bloomberg261
Reed HastingsCo-founder of NetflixVivek GopalanInvestment Team at 8VCAndrea GurnariInvestor at Moonfire VenturesJustin FergusonInnovation Manager, Venture Development at Maryland TEDCOIman El HassanChief of Staff at GaingelsAllison PavlickInvestor Relations Principal at S32
+ 255 more
Also worked at ACI.dev1
Also worked at C.H. Robinson8
Theodore AllingManaging Partner at Dynamo VenturesMark BrooksInvestor at Syngenta Group VenturesMary MurphyOperating Partner at Red Arts CapitalBraydan YoungCo-Founder and Chief Alliances Officer at SendosoKatherine SizovExecutive Officer, Director at Strella BiotechnologyMichael MalakhovExecutive Officer, Director at Carpool Logistics
+ 2 more