About
Joseph Schwarzmann studied history at the University of Cambridge and worked as a consultant at Bain & Company advising on private equity software and home services strategy before founding Robby.
Founder at RobbyYC W26
Intro paths
YC
Joseph went through Y Combinator (Winter 2026) — 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 Robby's batch and knows the company first-hand. YC profile ↗
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In turn, Joseph can intro founders to Robby's investors below.
Robby's investors · 3
Co-founders at Robby
VJ
Vineet JammalamadakaFounder
FM
Feroze MohideenFounder
Experience
Frequently asked questions
- Who is Joseph Schwarzmann?
- Joseph Schwarzmann studied history at the University of Cambridge and worked as a consultant at Bain & Company advising on private equity software and home services strategy before founding Robby.
- Where does Joseph Schwarzmann work?
- Joseph Schwarzmann is Founder of Robby.
- What companies did Joseph Schwarzmann found?
- Joseph Schwarzmann founded Robby.
- Where did Joseph Schwarzmann go to school?
- Joseph Schwarzmann studied at Y Combinator; Harvard Business School (Master of Business Administration - MBA); University of Cambridge (Bachelor of Arts (B.A.), History).
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
Harvard Business School mafia323
Also came through, then founded or led a company.
Mike Maples JrMBAFounded Pattern BreakersHristo BorisovOPM Class 64Founded PayhawkNoubar AfeyanVisiting LecturerFounded ProFound Therapeutics +12Wade MyersMBAFounded RealManage +5Harry GrunerFounded Hilos +2Ellen RubinMBAFounded ClearSky Data +2
+ 316 more
University of Cambridge mafia256
Also came through, then founded or led a company.
Stewart ButterfieldMPhilFounded Flickr +1Demis HassabisBAFounded Google Deepmind +2Immad AkhundMaster of Arts (M.A.)Founded Clickpass +2Inaki BerenguerPhDFounded InfiniteWatch +2Harish AgarwalMaster of Philosophy - MPhilFounded Nori +2Nikola MrkšićDoctor of Philosophy (Ph.D.)Founded Poly +2
+ 249 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 VenturesMaroof AhmedFounder at Octopus VenturesJustin SwartPartner at Bitkraft Esports Ventures
+ 1,994 more
Also attended Harvard Business School2,000
Brad GerstnerFounder & CEO of Altimeter CapitalAileen LeeFounder & Managing Partner of Cowboy VenturesJim BreyerFounder & CEO of Breyer CapitalMike Maples JrCo-founding Partner at FloodgateNeeraj AgrawalGeneral Partner at Battery VenturesHristo BorisovCo-founder & CEO of Payhawk
+ 1,994 more
Also attended University of Cambridge1,136
Stewart ButterfieldCo-founder of Slack and FlickrDemis HassabisCo-founder & CEO of Google DeepMindNiko BonatsosVerdict Capital founder and pre-consensus investor formerly at General CatalystGeorgia StevensonInvestor at Index VenturesHannah SealInvestor at Index VenturesLeah von SiemensPartner at Manta Ray Ventures
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+ 1,130 more
Shared employers
Also worked at Robby2
Also worked at Bain & Company988
Steve JurvetsonCo-founder of Future VenturesLaela SturdyManaging Partner at CapitalGTheresia GouwFounding Partner at Acrew CapitalZach PerretCo-founder & CEO of Plaid; co-founder of MischiefWilliam HockeyCo-founder of Plaid; founder & CEO of ColumnJulie YangVice President at Investcorp
+ 982 more
Also worked at Deloitte1,858
Kirsten GreenFounder and Managing Partner at Forerunner VenturesHunter WalkCo-founder & Partner at HomebrewBrian ArmstrongCo-founder & CEO of CoinbaseSteve AnaviCo-founder & President of QontoNancy WangInvestor at Felicis VenturesRaychel BailonVP of Finance at Felicis Ventures
+ 1,852 more