About
Aditya Mahna studied computer science at Cornell before leaving to work in AI. He previously built and scaled an AI company to over 100,000 users.
Founder at CostreamYC S25
Intro paths
YC
Aditya 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 Jared Friedman, YC Group Partner — the partner who ran Costream's batch and knows the company first-hand. YC profile ↗
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In turn, Aditya can intro founders to Costream's investors below.
Costream's investors · 1
Co-founders at Costream
AM
Ayush MahnaCo-Founder
Experience
- CostreamFounder (YC S25)current2025 — present
- StealthCo-Founder (Acquired)current2024 — present
- AVEVASoftware Engineer2025
- Veris HealthSoftware Engineer Intern2024
- Massachusetts Institute of TechnologyRL Research2023
Skills & more
- Finding Hidden Messages in DNA — The Johns Hopkins University
- Finding Hidden Messages in DNA — The Johns Hopkins University
- Genomic Data Science with Galaxy — The Johns Hopkins University
- Introduction to Genomic Technologies — The Johns Hopkins University
- Python for Genomic Data Science — The Johns Hopkins University
- Mathematics for Machine Learning: Linear Algebra — Imperial College London
- Advanced Learning Algorithms — DeepLearning.AI
- Supervised Machine Learning — DeepLearning.AI
- Convolutional Neural Networks — DeepLearning.AI
- Structuring Machine Learning Projects — DeepLearning.AI
From Aditya's professional profile.
Frequently asked questions
- Who is Aditya Mahna?
- Aditya Mahna studied computer science at Cornell before leaving to work in AI. He previously built and scaled an AI company to over 100,000 users.
- Where does Aditya Mahna work?
- Aditya Mahna is Founder of Costream.
- What companies did Aditya Mahna found?
- Aditya Mahna founded Costream.
- Where did Aditya Mahna go to school?
- Aditya Mahna studied at Cornell University (Bachelor's degree, CS + Math); Y Combinator (S25); Troy High School.
Founder mafias
Y Combinator mafia9,496
Also came through, then founded or led a company.
Sam AltmanPresidentFounded Tools for Humanity +3Garry TanPresident & CEOFounded Y Combinator +1Jessica LivingstonCo-founderFounded Y CombinatorAlexis OhanianYC Summer 2005Founded RedditFred EhrsamYC Summer 2012Founded Nudge +1Matt HuangYC Winter 2011Founded Hotspots
+ 9,489 more
Y Combinator mafia5,145
Also came through, then founded or led a company.
Ryan SheaEntrepreneurshipFounded StacksTarek MansourFounded KalshiSuhail DoshiEating beans & riceFounded Playground +1Subomi OluwalanaW22Founded ConvoyGleb ChuvpiloAlumFounded Pager +4IanFounded Apex Technology +3
+ 5,138 more
Cornell University mafia326
Also came through, then founded or led a company.
John ZimmerBSFounded Lyft +1Hanson S. Gifford, IIIBSMEFounded Miramar Labs +2Ian JanickiBachelors of ArchitectureFounded Outfit +2Ryan XueBachelor of Science (B.Sc.)Founded Andco +2Don MuirDyson School of BusinessFounded Arc +2Uri LopatinBAFounded Pardes Biosciences +1
+ 319 more
Veris Health mafia2
Also came through, then founded or led a company.
Same school
Also attended Cornell University993
Doug LeonePartner at Sequoia Capital; former Global Managing PartnerJenny LeeSenior Managing Partner at Granite AsiaNeeraj AgrawalGeneral Partner at Battery VenturesJohn ZimmerCo-founder of LyftMichelle FernandesInvestor at Index VenturesMike ZakInvestor at CRV (Charles River Ventures)
+ 987 more
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 VenturesCollin WallaceGeneral Partner at Lobby Capital
+ 1,994 more
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Shared employers
Also worked at Costream2
Also worked at Stealth57
Tobi CokerDeal Partner at Felicis VenturesSiddharth RamakrishnanPrincipal at Scale Venture PartnersBarkha GvalaniSpecial Partner at Renegade PartnersArun IyerInvestor at Green FlagLiying Iris WangHead of AI at Red Dot Capital PartnersAryan SinhaSenior Analyst at Eximius Ventures
+ 51 more
