Maciej Szymczyk
FounderFounder at SalesPatriot
San Francisco, California, United States
FoundedSalesPatriot · YC
About
Maciej studied electrical engineering, computer science, business administration, and mathematics at UC Berkeley. Before college, he conducted machine learning research at the Human Brain Project and worked on data and AI algorithms at InPost.
Founder at SalesPatriotYC W25
Intro paths
YC
Maciej went through Y Combinator (Winter 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 SalesPatriot's batch and knows the company first-hand. YC profile ↗
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In turn, Maciej can intro founders to SalesPatriot's investors below.
SalesPatriot's investors · 6
Co-founders at SalesPatriot
NR
Nelson RayFounder
BR
Ben Rhodes-KropfFounder
Experience
- SalesPatriot (YC W25)Co-Foundercurrent2024 — presentSan Francisco, CA
- TensorCellMachine Learning Researcher2022 — 2024Warsaw
- CMSCorporate Law Intern2024Warsaw
- InPostData Science Intern2024Warsaw, Mazowieckie, Poland
- Gazeta Giełdy i Inwestorów „Parkiet”Writer2022 — 2023
- INS - Institut de Neurosciences des SystèmesVisiting Research Intern2023Marseille, Provence-Alpes-Côte d’Azur, France
- Proteon PharmaceuticalsBioinformatics Researcher2023Łódź
- ClimaticaData Science Intern2022Warsaw, Mazowieckie, Poland
Skills & more
Start-up Leadership1Machine Learning1Start-upsComputational NeuroscienceSoftware DesignProgrammingData StructuresPrivate EquityCorporate LawCorporate FinanceMergers & Acquisitions (M&A)FinTech
+12 more
Technological InnovationBioinformaticsMedical DevicesOperationsFinancial AnalysisOperational EfficiencyDigital HealthEconomicsAnalytical SkillsOrganization SkillsWritingProblem SolvingLanguages English · French · Polish · Spanish
From Maciej's professional profile.
Frequently asked questions
- Who is Maciej Szymczyk?
- Maciej studied electrical engineering, computer science, business administration, and mathematics at UC Berkeley. Before college, he conducted machine learning research at the Human Brain Project and worked on data and AI algorithms at InPost.
- Where does Maciej Szymczyk work?
- Maciej Szymczyk is Founder of SalesPatriot.
- What companies did Maciej Szymczyk found?
- Maciej Szymczyk founded SalesPatriot.
- Where did Maciej Szymczyk go to school?
- Maciej Szymczyk studied at UC Berkeley Management, Entrepreneurship, & Technology (M.E.T.) program (Bachelor of Science - BS, Triple major in Electrical Engineering & Computer Science); Y Combinator; University of California, Berkeley, Haas School of Business (Bachelor of Science - BS, Business Administration).
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
University of California, Berkeley, Haas School of Business mafia117
Also came through, then founded or led a company.
Ivan ZhouBachelor of Science (B.S.)Founded Decagon +2Keith LendenMBAFounded Boundless Bio +2Jay ParrishMBAFounded ROME Therapeutics +1Nanxi LiuFounded Nanoly Bioscience +1Patrick SigristVenture Capital Executive ProgramFounded IORQ +1Victor HoBachelor of Science (BS)Founded Fivestars +1
+ 110 more
UC Berkeley College of Engineering mafia36
Also came through, then founded or led a company.
Rohan AroraBachelor's degreeFounded Biosense +1Divyaditya ShrivastavaBachelor's degreeFounded PaladinRussell NibbelinkBachelor of Science (BS)Founded OverviewMoncef BiazMaster of Engineering (MEng)Founded ArtifactTim BaratBachelor of Science - BSFounded GridwareMokshith VoodarlaBachelor of Science - BSFounded Sieve
+ 29 more
International Baccalaureate mafia27
Also came through, then founded or led a company.
Teddy JungreisInternational Baccalaureate Diploma Recipient at Winter Park High SchoolFounded WinibleRaymundo GonzalezIB DiplomaFounded EdenJJ TangSuzhou Singapore International SchoolFounded RootlySourav SanyalCOMPUTER SCIENCE - HLFounded AvairSenseMax KazakovFounded CoperniqJuan ChomaliMiddle Years Programme (MYP)Founded PoloTab
+ 20 more
Same school
Also attended UC Berkeley Management, Entrepreneurship, & Technology (M.E.T.) program11
HariFellow at Clear VenturesTom SpringerAssociate at Ibex InvestorsAditya GanapathiFounder at CoraNelson RayFounder at SalesPatriotMichael TrehanFounder at HABITRohil AgarwalFounder at The Context Company
+ 5 more
Also attended Y Combinator2,000
Tarek MansourCo-founder & CEO of KalshiSuhail DoshiFounder of Mixpanel; founder of ParticleSubomi OluwalanaCo-founder & CEO of ConvoyMaroof AhmedFounder at Octopus VenturesJustin SwartPartner at Bitkraft Esports VenturesCollin WallaceGeneral Partner at Lobby Capital
+ 1,994 more
Also attended UC Berkeley College of Engineering60
HariFellow at Clear VenturesAlejandro GomezInvestor at IVP (Institutional Venture Partners)Alpin YukselogluPartner, Investing & Research at ParadigmDivyansh SaksenaAnalyst at Congruent VenturesEdward YangSenior Associate at Prelude VenturesLan WuAnalyst at Fusion
+ 54 more
Also attended International Baccalaureate74
AlptugInvestment Team at Hummingbird VenturesDanny EdmanInvestor at Alpha PartnersHari GopalDirector of Corporate Insights at Tech Square VenturesEdward YangSenior Associate at Prelude VenturesArmita HosseiniVenture Fellow at Leonis CapitalAna Chávez PeónHead of Investor Network at Nazca
+ 68 more
