About
Kushal Byatnal was an early engineer at Brex and later cofounded Stir, a fintech platform for creators. He is now building internal tools infrastructure at Extend.
Founder at ExtendYC W23
Intro paths
YC
Kushal went through Y Combinator (Winter 2023) — 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 Extend's batch and knows the company first-hand. YC profile ↗
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In turn, Kushal can intro founders to Extend's investors below.
Extend's investors · 9
B CapitalGeneva · since 2025CharacterMilwaukee · $2M checksCommerce VenturesSan Francisco · $1M – $5M checks · since 2025FinTech CollectiveNew York City · $100K – $10M checks · since 2025Hawk Hill VenturesHomebrewBurlingame · $100K – $500K checksInnovation EndeavorsPalo Alto · $1M – $15M checksPoint72 VenturesNew York · $1M – $75M checks · since 2025Y CombinatorSan Francisco · $500K checks · since 2023
Co-founders at Extend
EB
Eli BadgioFounder
Experience
- ExtendCEOcurrent2022 — presentNew York, New York, United States
- StirCo-Founder & CTO2020 — 2022San Francisco, California, United States
- BrexTechnical Lead2018 — 2020
- GoogleSoftware Engineer2017 — 2018
- Amazon RoboticsSoftware Development Intern2016North Reading, MA
- Magwene LabSoftware Development Intern2015 — 2016Raleigh-Durham, North Carolina Area
- Duke Atlas GroupData Analysis Intern2014Raleigh-Durham, North Carolina Area
- Triangle Universities Nuclear LabElectronics Shop Assistant2013 — 2014Raleigh-Durham, North Carolina Area
Frequently asked questions
- Who is Kushal Byatnal?
- Kushal Byatnal was an early engineer at Brex and later cofounded Stir, a fintech platform for creators. He is now building internal tools infrastructure at Extend.
- Where does Kushal Byatnal work?
- Kushal Byatnal is Founder of Extend.
- What companies did Kushal Byatnal found?
- Kushal Byatnal founded Extend.
- Where did Kushal Byatnal go to school?
- Kushal Byatnal studied at Duke University (Bachelor’s Degree, 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
Duke University mafia127
Also came through, then founded or led a company.
Fred EhrsamB.S.Founded Nudge +1Zach PerretBSFounded PlaidDavid CummingsBSFounded Undaunted +4Romesh SubramanianM.S.Founded RaNA Therapeutics +2Ian PeikonBSEFounded Cajal Therapeutics +1Carmichael RobertsDoctor of Philosophy (PhD) 1995Founded Lyratherapeutics +1
+ 120 more
Brex mafia34
Also came through, then founded or led a company.
Henrique DubugrasCo-founder & co-CEOFounded StoneRitik MalhotraDirector, Product ManagementFounded Savvy +2Tanooj LuthraHead of Engineering for Startups + BankingFounded Elph +1Cullen WilsonProduct Design LeadFounded WP Engine +1Asa MillerDesign EngineerFounded Pre +1Brendan FalkBusiness DevelopmentFounded Hercules +1
+ 27 more
Same school
Also attended Duke University711
Fred EhrsamCo-founder and Senior Advisor at Paradigm; founder of NudgeJeremy LevinePartner at Bessemer Venture PartnersZach PerretCo-founder & CEO of Plaid; co-founder of MischiefJulie YangVice President at InvestcorpScott RaneyManaging Director at Redpoint VenturesJack Bixby LucasGeneral Partner at Lucas Venture Group
+ 705 more
Shared employers
Also worked at Extend1
Also worked at Stir2
Also worked at Brex59
Henrique DubugrasCo-founder & former chairman of BrexPedro FranceschiCo-founder & CEO of BrexKatie BiberChief Operating Officer at ParadigmAyesha AroraVenture Partner at S32Jake SeidGeneral Partner at Ballistic VenturesMatt MocharyInvestor at Fortius Ventures
+ 53 more
Also worked at Google1,881
Ron ConwayFounder of SV AngelElad GilSolo general partner investing through Gil CapitalKai-Fu LeeChairman of Sinovation Ventures and CEO of 01.AIBrian SingermanCo-founder of GPx; Partner Emeritus at Founders FundJess LeePartner and Chief Product Officer at Sequoia CapitalTomasz TunguzFounder & General Partner at Theory Ventures
+ 1,875 more

























