Find your path to León
1,993 people in our graph share verified history with León — schools, employers, funds. One of them is your warm intro.
Kike MirallesunlockedLeón: together at McKinsey & Company (2017–2021)
×2León: together at Imperial College London
León: together at Y Combinator
×2León: together at The London School of Economics and Political Science (LSE)
About
León Bartolomé Carreño is co-founder of Momento. He previously worked as an Associate at McKinsey & Company for three years, focusing on strategy and operations projects in insurance and private equity, and holds a Master's degree in Mechanical Engineering from Imperial College London.
Founder at MomentoYC W22
Intro paths
YC
León went through Y Combinator (Winter 2022) — any YC alum in your network can reach them through the YC community.
GP
Their group partner at YC was Tom Blomfield, Monzo and GoCardless co-founder; Y Combinator partner on leave and Anthropic compute-team member. — the partner who ran Momento's batch and knows the company first-hand. YC profile ↗
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In turn, León can intro founders to Momento's investors below.
Momento's investors · 9
American Family VenturesBoston · $250K – $10M checks · since 2025BoxGroupNew York · $1M checksClocktower VenturesSanta Monica · $100K – $20M checksFoundation CapitalSan Francisco · $250K – $15M checks · since 2025HedosophiaLondon · since 2025HSCM VenturesStamford · since 2025PICUS CAPITALMunich · $100K – $300M checksWollef VenturesMexico CityY CombinatorSan Francisco · $500K checks · since 2022
Co-founders at Momento
LR
Lois Rogel VenceFounder
AG
Andrés Guerrero ÁlvarezFounder
Experience
- MomentoCo-Foundercurrent2021 — presentCiudad de México, México
- McKinsey & CompanyAssociate2020 — 2021Madrid, Comunidad de Madrid, España
- McKinsey & CompanyBusiness Analyst2018 — 2020Madrid y alrededores, España
- Indexa CapitalFinancial Analyst2016 — 2018Madrid y alrededores, España
- McKinsey & CompanySummer Business Analyst2017
- Carbures EngineeringSummer Internship2015
- Imeguisa (Portugal), S.A.Summer Internship2015
Skills & more
Microsoft OfficeMatlabMicrosoft ExcelTrabajo en equipoMicrosoft PowerPoint
Languages Español · Ingles
From León's professional profile.
Frequently asked questions
- Who is León Bartolomé Carreño?
- León Bartolomé Carreño is co-founder of Momento. He previously worked as an Associate at McKinsey & Company for three years, focusing on strategy and operations projects in insurance and private equity, and holds a Master's degree in Mechanical Engineering from Imperial College London.
- Where does León Bartolomé Carreño work?
- León Bartolomé Carreño is Founder of Momento.
- What companies did León Bartolomé Carreño found?
- León Bartolomé Carreño founded Momento.
- Where did León Bartolomé Carreño go to school?
- León Bartolomé Carreño studied at Y Combinator (YC W22 (co-founder at Momento)); Imperial Business School (Master of Science - MS, Business Analytics (part-time)); Imperial College London (Master of Engineering - MEng, Mechanical Engineering).
Founder mafias
Y Combinator mafia10,230
Also came through, then founded or led a company.
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
+ 10,223 more
McKinsey & Company mafia736
Also came through, then founded or led a company.
Elad GilConsultantFounded Brain Co. +1Mike SpeiserAssociateFounded Pure StorageFabrice GrindaConsultantFounded FJ labsTony XuBusiness AnalystFounded DoorDashAlexandre ProtAssociateFounded Smartven +1Jagmeet LambaSenior Strategy ConsultantFounded Certa +3
+ 729 more
Imperial College London mafia378
Also came through, then founded or led a company.
Nessan BerminghamDoctor of Philosophy - PhDFounded Korro Bio +2David SchilanskyMScFounded One Biosciences +2David MyttonMaster of Science - MSFounded Server Density +1Slava SolonitsynMBAFounded No Cap +1Barnaby MaletTeaching AssistantFounded machine0 +1Advait RuiaBachelor of Engineering (BEng)Founded SuperTokens +1
+ 371 more
The London School of Economics and Political Science (LSE) mafia340
Also came through, then founded or led a company.
Anne OsdoitCorporate Finance & Strategy - Executive summer schoolFounded Moon Surgical +2Henson OrserGeneral CourseFounded Soter +2Logan J HendersonSummer CertificateFounded Gridline Holdings +2Toby TriebelBsCFounded Spotcap +1Shaoib MakaniBScFounded Motive Technologies +1Steve LoughlinCertificateFounded RelateIQ +1
+ 333 more
IESE Business School mafia93
Also came through, then founded or led a company.
Avi MeirMBAFounded PerkEvan PowellMBAFounded DeepTempo +3Iván RodríguezExecutive MBAFounded Vivla +2Carlos BlancoConsejos de Administración Responsables.Founded Nuclio Founders +1Steve SemelsbergerInternational Business ExchangeFounded YouEarnedIt +1Jorge Vargas NetoExecutive MBAFounded BHub +1
+ 86 more
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
+ 1,994 more
Also attended Imperial Business School136
Julia SchrameierAssociate at Manta Ray VenturesNikolai RiiberInvestor at InvestinorAlessandro De BenedettiAssociate at NorthzoneMillan SuriPrincipal at Episode1Adrian RaduInvestor at Khosla VenturesTroy PhoaAssociate at Marlin Equity Partners
+ 130 more
Also attended IESE Business School370
Avi MeirCo-founder & CEO of PerkJessica WangFP&A Manager at March Capital PartnersCarlos ContiManaging Partner at Inveready Technology Investment GroupGustavo González de la PeñaAnalyst at Inveready Technology Investment GroupIgnacio PuigGeneral Partner at Inveready Technology Investment GroupRobin LiInvestor at GGV Capital
+ 364 more
Also attended Harvard University2,000
Ron ConwayFounder of SV AngelAlfred LinPartner at Sequoia CapitalChris DixonFounder & Managing Partner of a16z crypto at Andreessen HorowitzSarah TavelVenture Partner at BenchmarkDanny RimerPartner at Index VenturesLaela SturdyManaging Partner at CapitalG
+ 1,994 more
Shared employers
Also worked at Momento4
Also worked at McKinsey & Company2,000
Ann Miura-KoCo-founding Partner at FloodgateJeremy LiewPartner at Lightspeed Venture PartnersMike SpeiserManaging Director at Sutter Hill VenturesJeremy LevinePartner at Bessemer Venture PartnersFabrice GrindaCo-founder & Managing Partner at FJ LabsJeppe RindomCo-founder & CEO of Pleo
+ 1,994 more
