About
Rohit Sirosh is co-founder and CEO of Mimos, a legal tech platform for plaintiff firms. Previously at Microsoft, he led infrastructure architecture for Azure's storage systems supporting OpenAI's training workloads.
Founder at MimosYC S25
Intro paths
YC
Rohit went through Y Combinator (Summer 2025) — 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 Mimos's batch and knows the company first-hand. YC profile ↗
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In turn, Rohit can intro founders to Mimos's investors below.
Mimos's investors · 1
Experience
- Mimos (YC S25)Founder & CEOcurrent2025 — presentNew York, New York, United States
- MicrosoftSoftware Engineer II2022 — 2025Redmond, Washington, United States
- MicrosoftSoftware Engineer2020 — 2022Redmond, Washington, United States
- Purdue UniversityGraduate Research Assistant - C-Design Lab2020
- MicrosoftSoftware Engineering Intern - Azure Storage2019Redmond, Washington
- KenSciData Science/ML Intern2018Greater Seattle Area
- MicrosoftSoftware Engineering Intern2017
- ComputeNextSummer Intern2016
Skills & more
Public Speaking2Software Development9Scikit-LearnSQL AzureAndroid StudioJava10C/C++2PythonR1HTML/CSS4LinuxMatlab
+2 more
Microsoft OfficeGit/GithubFrom Rohit's professional profile.
Frequently asked questions
- Who is Rohit Sirosh?
- Rohit Sirosh is co-founder and CEO of Mimos, a legal tech platform for plaintiff firms. Previously at Microsoft, he led infrastructure architecture for Azure's storage systems supporting OpenAI's training workloads.
- Where does Rohit Sirosh work?
- Rohit Sirosh is Founder of Mimos.
- What companies did Rohit Sirosh found?
- Rohit Sirosh founded Mimos.
- Where did Rohit Sirosh go to school?
- Rohit Sirosh studied at Y Combinator; Purdue University (Master of Science - MS, Computer Science); Purdue University (Bachelor of Science - BS, 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
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
Purdue University mafia79
Also came through, then founded or led a company.
Gaurav SantBSCEFounded CarbonBuilt +2Aaron SistoBSFounded Searchable AI +1Ignacio MartinezAgribusiness Leadership PlusFounded Cibo Technologies +1Jack O'MearaBachelor’s DegreeFounded Aerska +1Patrick SigristMaster’s DegreeFounded IORQ +1John BohlmannB.Sci.Founded Spacefund +1
+ 72 more
The Overlake 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 Purdue University203
Mamoon HamidPartner at Kleiner PerkinsKenneth Morand, Ph.D.Life Sciences Partner at CincyTechJane CommerfordOperations at 8VCSven StrohbandInvestor at Khosla VenturesJeff PetersPartner at Ibex InvestorsKenneth MorandLife Sciences Partner at CincyTech
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+ 197 more
Also attended The Overlake School2
Shared employers
Also worked at Microsoft1,189
Reid HoffmanCo-founder of LinkedIn; Partner at GreylockGarry TanPresident & CEO of Y CombinatorNat FriedmanCo-lead of Meta Superintelligence Labs; co-founder of NFDGKai-Fu LeeChairman of Sinovation Ventures and CEO of 01.AIBill GatesCo-founder of Microsoft; Chair of the Gates FoundationMike KriegerCo-founder of Instagram; Chief Product Officer at Anthropic
+ 1,183 more
Also worked at Purdue University36
Mohammed AlmeshekahFounder & General Partner at Outliers VCGaurav SantAdvisor, Director, UCLA Institute for Carbon Management at Overture ClimateDr. Mung ChiangPresident Northwestern University at NEW VISTA CAPITALCarla BrodleyInvestor at Blue Tulip VenturesAlibek DostiyarovInvestor at FEBE VenturesRouz JazayeriCo-founder at Catapult Ventures
+ 30 more
