About
Robert Xu is co-founder and CTO of Ishiki Labs, and previously held roles focused on multi-modal AI and AR glasses development at Meta, as well as research infrastructure work at Citadel Securities.
Founder at FernYC W26
Intro paths
YC
Robert 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 Gustaf Alstromer — the partner who ran Fern's batch and knows the company first-hand. YC profile ↗
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In turn, Robert can intro founders to Fern's investors below.
Fern's investors · 3
Co-founders at Fern
AY
Amit YadavFounder
Experience
- FernCo-Foundercurrent2025 — presentSan Francisco Bay Area
- MetaSenior Software Engineer2024 — 2025New York, New York, United States
- MetaSenior Software Engineer2022 — 2024New York, New York, United States
- Citadel SecuritiesSoftware Engineer2020 — 2022Chicago, Illinois, United States
Skills & more
GolangPython (Programming Language)Go (Programming Language)Java5JavaScript5Ruby1Ruby on RailsReact.js2Redux1HTML54Cascading Style Sheets (CSS)2Web Development4
+12 more
Graphic DesignNode.jsMarketingVideo ProductionProject ManagementPythonMarket ResearchSocial MediaMarketing StrategyVimCC++Languages Chinese · English
From Robert's professional profile.
Frequently asked questions
- Who is Robert Xu?
- Robert Xu is co-founder and CTO of Ishiki Labs, and previously held roles focused on multi-modal AI and AR glasses development at Meta, as well as research infrastructure work at Citadel Securities.
- Where does Robert Xu work?
- Robert Xu is Founder of Fern.
- What companies did Robert Xu found?
- Robert Xu founded Fern.
- Where did Robert Xu go to school?
- Robert Xu studied at Y Combinator; University of Waterloo (Bachelor’s Degree, Computer Science); Bayview Secondary School (High School, International Baccalaureate (IB) Diploma).
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
University of Waterloo mafia200
Also came through, then founded or led a company.
Apoorva MehtaBAScFounded InstacartZach WaterfieldComputer EngineeringFounded Zettlor +1Peter CarresciaBMathFounded GoConfirm +1Eric BlondeelDoctor of Philosophy - PhDFounded Samos Insurance +1Oleg KostourHonours Bachelor of Architectural StudiesFounded AtlasGrid +1Anton KrutianskyBachelor of Applied Science (B.A.Sc.)Founded AtlasGrid +1
+ 193 more
Bayview Secondary School mafia2
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 ConvoyArhaan A.Deeptech Fellow at Clear VenturesMaroof AhmedFounder at Octopus VenturesJustin SwartPartner at Bitkraft Esports Ventures
+ 1,994 more
Also attended University of Waterloo437
Chamath PalihapitiyaFounder & CEO of Social CapitalApoorva MehtaFounder of Instacart; founder of Cloud Health SystemsAchintya ChaudhariInvestor at LightbankKarim GillaniGeneral Partner at Luge CapitalRohan MongaInvestment Associate at Luge CapitalAndrew MiklasGeneral Partner at Y Combinator
+ 431 more
Also attended Bayview Secondary School1
Shared employers
Also worked at Fern1
Also worked at Meta334
Nat FriedmanCo-lead of Meta Superintelligence Labs; co-founder of NFDGDaniel GrossMeta Superintelligence Labs; co-founder of NFDG and Safe SuperintelligenceDrew HoustonCo-founder & CEO of DropboxGabriel PereyraCo-founder & President of HarveyTinaInvestments & Portfolio Services Team Member at Clear VenturesMike ArpaiaComputer scientist working on machine learning and data infrastructure
+ 328 more
Also worked at Citadel Securities26
Alfred LinPartner at Sequoia CapitalKonstantine BuhlerInvestor at Sequoia CapitalRama SomayajulaHead of Trading at ParadigmJulia HitchinsInvestor at Positive Sum CapitalAnthony DeCamilloPartner at Meritech Capital PartnersQingwen RenCofounder at Mulana Capital
+ 20 more