Find your path to Rishab
452 people in our graph share verified history with Rishab — schools, employers, funds. One of them is your warm intro.
Laura BuhlerunlockedRishab: together at Stripe (2025)
×9Rishab: together at Stripe
×2Rishab: together at Facebook
About
Rishab Luthra is a co-founder of Sponge (YC W26) and previously worked in the crypto division at Stripe.
Founder at SpongeYC W26
Intro paths
YC
Rishab 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 Brad Flora, Backing expeditions into the future — the partner who ran Sponge's batch and knows the company first-hand. YC profile ↗
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In turn, Rishab can intro founders to Sponge's investors below.
Sponge's investors · 2
Co-founders at Sponge
EZ
Eric ZhangFounder
JC
Jae ChoiFounder
Experience
- Sponge (YC W26)Co-Foundercurrent2026 — presentSan Francisco, California, United States
- StripeSoftware Engineer2022 — 2025San Francisco Bay Area
- FacebookSoftware Engineer Intern2021
- GoogleSoftware Engineering Intern2020
- ScholarMeSoftware Engineer2019 — 2020Toronto, Ontario, Canada
- SmartcarSoftware Engineering Intern2019Mountain View, California
- aUTorontoDeveloper - Object Detection Team2019Greater Toronto Area, Canada
- Osprey SecuritySoftware Engineer Intern2017 — 2018
Skills & more
Software Development5Go5Machine LearningDevOpsEndpoint SecurityComputer SciencePython4Computer SecurityJavaScriptLinuxSQLNoSQL
+6 more
RubyReactAngularJSVue.jsReact NativeTensorFlowLanguages English · French
From Rishab's professional profile.
Frequently asked questions
- Who is Rishab Luthra?
- Rishab Luthra is a co-founder of Sponge (YC W26) and previously worked in the crypto division at Stripe.
- Where does Rishab Luthra work?
- Rishab Luthra is Founder of Sponge.
- What companies did Rishab Luthra found?
- Rishab Luthra founded Sponge.
- Where did Rishab Luthra go to school?
- Rishab Luthra studied at Y Combinator; University of Toronto (Bachelor of Science - BS, Computer Science).
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
University of Toronto mafia253
Also came through, then founded or led a company.
Ilya SutskeverPhDFounded Safe Superintelligence +1Nick FrosstBachelor's of ScienceFounded CohereJeffrey KarpPhDFounded Tissium +3Shvet JainMAScFounded Panther +1Som SeifBa.ScFounded Purpose Investments +1Peter SumaHBSc - Honours Bachelor of Science majoring inFounded Applied Brain Research +1
+ 246 more
Stripe mafia152
Also came through, then founded or led a company.
Hemant TanejaInvestor (former Board Member)Founded Hippocratic AIMatt HuangBoard MemberFounded Paradigm +1Patrick CollisonCo-founder & CEOFounded AuctomaticGreg BrockmanFounding Engineer, then first CTOFounded OpenAIDaniela AmodeiEarly employee — Risk ManagerFounded AnthropicArvid LunnemarkSoftware EngineeringFounded Cursor
+ 145 more
Smartcar mafia4
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 VenturesCollin WallaceGeneral Partner at Lobby CapitalVictor SantosVictor Scout at One Way Ventures
+ 1,994 more
Also attended University of Toronto727
Ilya SutskeverCo-founder of OpenAI; co-founder & CEO of Safe SuperintelligenceNick FrosstCo-founder of CohereYasmin RazaviInvestor at Spark CapitalImran BashirFounding Partner, Chief Operating Officer at Extreme Venture PartnersKarim GillaniGeneral Partner at Luge CapitalAndrew MiklasGeneral Partner at Y Combinator
+ 721 more
Shared employers
Also worked at Sponge (YC W26)2
Also worked at Stripe247
Hemant TanejaCEO & Managing Director of General CatalystMatt HuangCo-founder and Managing Partner at ParadigmLuciana LixandruPartner at Sequoia CapitalPatrick CollisonCo-founder & CEO of StripeJohn CollisonCo-founder & President of StripeGreg BrockmanCo-founder & President of OpenAI
+ 241 more
Also worked at Google2,000
Kai-Fu LeeChairman of Sinovation Ventures and CEO of 01.AIBrian SingermanCo-founder of GPx; Partner Emeritus at Founders FundHunter WalkCo-founder & Partner at HomebrewAydin SenkutFounder & Managing Partner at FelicisLaela SturdyManaging Partner at CapitalGArash FerdowsiCo-founder of Dropbox
+ 1,994 more
