About
Jack Collins was a founding engineer at Develop Health, where he led a product that generated substantial revenue for the company. He holds an MS in Computing with a focus on Machine Learning from Imperial College London and has created magentic, an open-source Python framework for LLMs.
Founder at VenturaYC W26
Intro paths
YC
Jack went through Y Combinator (Winter 2026) β 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 β the partner who ran Ventura's batch and knows the company first-hand. YC profile β
β
In turn, Jack can intro founders to Ventura's investors below.
Ventura's investors Β· 1
Co-founders at Ventura
SK
Swen KollerFounder
Experience
- Ventura (YC W26)Co-founder & CTOcurrent2025 β present
- Develop HealthFounding Engineer2023 β 2025San Francisco Bay Area
- ParexelSenior Natural Language Processing Engineer2022 β 2023San Francisco, California, United States
- ParexelNatural Language Processing Engineer2020 β 2022San Francisco, California, United States
- Roam AnalyticsNatural Language Processing Engineer2018 β 2020San Francisco Bay Area
- Silicon Valley Internship ProgrammeSVIP Class of 20192018 β 2019San Francisco Bay Area
- PramericaData Science Intern2017Letterkenny, Co. Donegal, Ireland
- NUI GalwayMaths Tutor2016 β 2017
Frequently asked questions
- Who is Jack Collins?
- Jack Collins was a founding engineer at Develop Health, where he led a product that generated substantial revenue for the company. He holds an MS in Computing with a focus on Machine Learning from Imperial College London and has created magentic, an open-source Python framework for LLMs.
- Where does Jack Collins work?
- Jack Collins is Founder of Ventura.
- What companies did Jack Collins found?
- Jack Collins founded Ventura.
- Where did Jack Collins go to school?
- Jack Collins studied at Imperial College London (Master of Science - MS, Computing (Machine Learning)); University of Galway (Bachelor of Science - BS, Physics with Theoretical Physics); UC Santa Barbara (Semester Abroad: Statistics, Physics & 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
Imperial College London mafia196
Also came through, then founded or led a company.
Brent HobermanAdvisor, Innovation FundFounded Founders Pledge +3Nessan BerminghamDoctor of Philosophy - PhDFounded Korro Bio +2Alice BentinckComputer Science Department Industrial Liaison BoardFounded Entrepreneurs First +1Ahmed DeyabMSc Advanced Computational Methods for AeronauticsFounded Instagram +1Sebastian TrousilPhDFounded City Therapeutics +1Slava SolonitsynMBAFounded No Cap +1
+ 189 more
UC Santa Barbara mafia61
Also came through, then founded or led a company.
Logan GreenBAFounded Lyft +1Nils ReggeBAFounded Developx +2Michael WitzbaFounded Mob Science +2Brett GibsonBAFounded Slinkset +1Ivan BercovichPhDFounded Unwrap +1Zheng XuPh.D.Founded SolarCity +1
+ 54 more
University of Galway mafia9
Also came through, then founded or led a company.
Jack O'MearaBachelor's DegreeFounded Aerska +1David NewellBachelor of Engineering (BEng)Founded End Close +1Aimee DeGolyerFounded REPROSENTBarbara OliveiraDoctor of Philosophy - PhDFounded LuminateJames McWalterBachelor of Arts - BAFounded PacesAlison LiddyPostgraduate Diploma in InnovationFounded Relevium Medical
+ 2 more
Roam Analytics mafia2
Also came through, then founded or led a company.
Same school
Also attended Imperial College London499
Deji SasegbonVP, Platform & Portfolio Operations at EchoVC PartnersMadison LenormandInvestor at DaphniPauline BoucherInvestor at DaphniLoubaba El AyoubiInvestor at NorthzoneGiovanni MariggiInvestor at MedicxiFrancois PrinslooInvestor at Medicxi
+ 493 more
Also attended University of Galway36
Katherine BoyleGeneral Partner at Andreessen Horowitz (American Dynamism)Kyle DuffyOperating Partner at Gradient who helps early-stage founders go from 0 to 1Alan O'ConnellPartner at Seroba Life SciencesJonathon KavanaghSenior Investment Portfolio Manager at Western Development CommissionEvan CannonAssociate at Osage Venture PartnersMarci MedfordInvestor at Innovius Capital
+ 30 more
Also attended UC Santa Barbara235
Logan GreenCo-founder of LyftArturo LitvinHead of Global Portfolio Development at Intel CapitalKevin ThauInvestor at Spark CapitalErica DelamareInvestor at DaphniTiffany ChandraVice President, Head of Talent Network at Sapphire VenturesStephanie DuranInvestor at True Ventures
+ 229 more
Shared employers
Also worked at Ventura (YC W26)1
Also worked at Parexel8
Ryan BethencourtManaging Partner at Sustainable Food VenturesCeleste FernandezInvestor at Proeza VenturesJerome BaileyStrategic Advisor at 2Flo VenturesRon FarkasSenior Advisor at Propel Bio PartnersSuzanne HendrixAdvisor at Propel Bio PartnersMaryJo ZaborowskiInvestor at Healthy Ventures
+ 2 more
Also worked at Roam Analytics3
Also worked at NUI Galway9
Daniel O'MahonyPartner at Seroba Life SciencesHelen McBreenPartner at Atlantic Bridge VenturesLiam HoranHub Community Development Executive at Western Development CommissionArshia DhimanFull Stack Dev at DecubateKatherine MedlockAssociate at Banneker PartnersAaron HannonFounder at Luminate
)
+ 3 more