Chalmers Brown
FounderCo-Founder & CEO at Jarmin
San Francisco, California, United States
FoundedJarmin · YC
Find your path to Chalmers
65 people in our graph share verified history with Chalmers — schools, employers, funds. One of them is your warm intro.
Nick ZurickunlockedChalmers: together at JPMorganChase (2013)
×10Chalmers: together at JPMorganChase
Chalmers: together at USA Team Handball
About
Chalmers Brown is a staff engineer from Meta's SuperIntelligence Labs and a former JPMorganChase software engineer with experience in automation tools for technical roles. He completed computer science studies at Rutgers University and has participated in business education programs at Harvard and Stanford.
Co-Founder & CEO at JarminYC F25
Intro paths
YC
Chalmers went through Y Combinator (Fall 2025) — any YC alum in your network can reach them through the YC community.
GP
Their group partner at YC was Nicolas Dessaigne, General Partner at Y Combinator — the partner who ran Jarmin's batch and knows the company first-hand. YC profile ↗
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In turn, Chalmers can intro founders to Jarmin's investors below.
Jarmin's investors · 1
Co-founders at Jarmin
SH
Shirsendu HalderCo-Founder & Head of ML
ZL
Zack LemanCo-Founder & CTO
Experience
- Jarmin (YC F25)Co-Founder & CEOcurrent2025 — presentSan Francisco, California, United States
- USA Team HandballTeam USA Athletecurrent2018 — present
- MetaStaff Software Engineer2024 — 2025Menlo Park, California, United States
- Byte Detection (Techstars '23)Founder2023 — 2024
- Unit21Lead Solutions Architect2020 — 2023San Francisco, California, United States
- DueCTO & Co-Founder2015 — 2020Palo Alto, CA
- Shimmur (now Community.com)Founding Engineer2014 — 2015
- JPMorganChaseSoftware Engineer2013Manhasset, New York, United States
Frequently asked questions
- Who is Chalmers Brown?
- Chalmers Brown is a staff engineer from Meta's SuperIntelligence Labs and a former JPMorganChase software engineer with experience in automation tools for technical roles. He completed computer science studies at Rutgers University and has participated in business education programs at Harvard and Stanford.
- Where does Chalmers Brown work?
- Chalmers Brown is Co-Founder & CEO of Jarmin.
- What companies did Chalmers Brown found?
- Chalmers Brown founded Jarmin.
- Where did Chalmers Brown go to school?
- Chalmers Brown studied at Y Combinator (Fall 2025); Stanford University (Non-degree program, Artificial Intelligence | Linear Systems and Optimization | Logic); Harvard Business School Online (CORe Credential of Readiness - Business Analytics | Financial Accounting | Economics for Manager).
Founder mafias
Y Combinator mafia10,230
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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
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Stanford University mafia1,934
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Peter ThielB.A.Founded PayPalReid HoffmanB.S.Founded LinkedIn +2David SacksB.A.Founded YammerKeith RaboisB.A.Founded OpendoorGarry TanBSFounded Y Combinator +1Joe LonsdaleBSFounded Opto +5
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Rutgers University mafia100
Also came through, then founded or led a company.
Douglas CarneyBachelor of Science (BS)Founded Verficopro +2Jeffrey StaubDoctor of Philosophy (PhD)Founded Solis Agrosciences +2Ryan BednarBSFounded RankScience +1Harsh YadavMaster of ScienceFounded Ryse +1Alex RamírezCouseraFounded Vendease +1Chris PentoBachelor of Science (BS)Founded Clear Street +1
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Harvard Business School Online mafia87
Also came through, then founded or led a company.
Viswa Colluru, PhDHBX Core: Credential of ReadinessFounded Enveda Therapeutics, Inc. +2Jinal JhaveriDisruptive Strategy by Clayton Christensen,NegotiationFounded SchoolMint +1Sasha OrloffContinuing EducationFounded LendUp +1Brian VallelungaStrategy and LeadershipFounded Doppler Technologies Inc +1Upeka BeeThe Leadership Consortium by Frances FreiFounded DianaHR +1Matthew GlickOther; "Core: Credential of Readiness"Founded Gipper +1
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Unit 21 mafia5
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
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Also attended Stanford University2,000
Peter ThielCo-founder & Partner at Founders FundDavid SacksCo-founder & General Partner at Craft Ventures; former White House AI & Crypto CzarGarry TanPresident & CEO of Y CombinatorAlfred LinPartner at Sequoia CapitalJim BreyerFounder & CEO of Breyer CapitalMike Maples JrCo-founding Partner at Floodgate
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Also attended Harvard Business School Online292
MariaInvestor at InvestinorKelsey BeausoleilBusiness Development Network at Redpoint VenturesOliver MarquesPartner, Capital Formation at March Capital PartnersJohn DemeterInvestor at Khosla VenturesJeff RoseAdvisor at AI CapitalRobAdvisor at TFX Capital
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Also attended Rutgers University307
Jigar RaythathaInvestor at Third Rock VenturesRobin LiInvestor at GGV CapitalDominique LittleGovernment Affairs Lead at ParadigmGanesh PersadVice President & Chief Information Officer at Flare Capital PartnersBill DeJianneSales Manager (Eastern U.S.) at Needham FundsMark FieldsInvestor at Alsop Louie Partners
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Shared employers
Also worked at Jarmin (YC F25)2
Also worked at USA Team Handball1
Also worked at Meta464
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
+ 458 more
