Joel Christner
FounderFounder/CTO at SlidePay
El Dorado Hills, California, United States
FoundedSlidePay · YC
Find your path to Joel
275 people in our graph share verified history with Joel — schools, employers, funds. One of them is your warm intro.
Garry TanunlockedJoel: together at Y Combinator (2011–2012)
×4Joel: together at Y Combinator
×3Joel: together at Cisco Systems, Inc.
×4Joel: together at Columbia Engineering
About
Founder and CTO of SlidePay (formerly Cube), which provided an API enabling applications to accept in-person credit card payments across platforms and devices. His areas of expertise include distributed systems, information storage and retrieval, and data management.
Founder/CTO at SlidePayYC W12
Intro paths
YC
Joel went through Y Combinator (Winter 2012) — any YC alum in your network can reach them through the YC community.
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In turn, Joel can intro founders to SlidePay's investors below.
SlidePay's investors · 3
Co-founders at SlidePay
CP
Charlie PintoFounder/CEO
CM
Christopher MortonFounder/CEO
Experience
- Dell TechnologiesSenior Distinguished Engineer, Office of the CTOcurrent2026 — presentEl Dorado Hills, CA
- ViewFounder and CTO2024 — 2026
- SNIAChair, DNA Data Storage CODEC Workgroup2023 — 2024
- SNIAChair, DNA Data Storage Rosetta Stone Workgroup2022 — 2024
- Dell TechnologiesDistinguished Engineer, Director2019 — 2024San Francisco Bay Area
- CloudGenix (acquired by Palo Alto Networks)VP of Marketing2017 — 2019San Jose, CA
- CAKE Corporation (Acquired by Sysco Foods)Chief Architect2015 — 2017Redwood City, CA
- Cube (Acquired by Rocket Lawyer)Founder and CTO2012 — 2014Mountain View, CA
- StorSimple Inc. (Acquired by Microsoft)Chief Scientist2009 — 2012Santa Clara, CA
- Cisco Systems, Inc.Technical Leader2008 — 2009San Jose, CA
- Reconnex Corporation (Acquired by McAfee)Director, Product Management2007 — 2008Mountain View, CA
- Cisco Systems, Inc.Manager, Technical Marketing2002 — 2007San Jose, CA
Skills & more
Linux65Enterprise Software26Cisco Technologies18SaaS17Java5C#5C4SQL4Microsoft Exchange3REST3SOAP3Cisco Systems Products3
+12 more
WindowsSoftware as a Service (SaaS)JavaScriptJSONMySQLEMVTechnical LeadershipBrazilian Jiu-JitsuArtificial Intelligence (AI)Storage ArchitectureSoftware DevelopmentData CenterFrom Joel's professional profile.
Frequently asked questions
- Who is Joel Christner?
- Founder and CTO of SlidePay (formerly Cube), which provided an API enabling applications to accept in-person credit card payments across platforms and devices. His areas of expertise include distributed systems, information storage and retrieval, and data management.
- Where does Joel Christner work?
- Joel Christner is Founder/CTO of SlidePay.
- What companies did Joel Christner found?
- Joel Christner founded SlidePay.
- Where did Joel Christner go to school?
- Joel Christner studied at Y Combinator; Columbia Engineering (Master of Science, Computer Science).
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
Columbia Engineering mafia46
Also came through, then founded or led a company.
Rodolphe ArdantMSFounded SpendeskMoawia EldeebBachelor of Science (B.S.)Founded Tempo Interactive +2Robert BrennanBachelor of ScienceFounded All Hands AI +1Kingsley R. ChinBachelor of Science (BSc)Founded IndependentmedexpertIan TolfreeBachelor of Science - BSFounded TBT PharmaJavier MataBachelor of ScienceFounded Yalo
+ 39 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 Columbia Engineering94
Rodolphe ArdantFounder & President of SpendeskPeter ParkerManaging General Partner at Mission BiocapitalLaszlo CzirjakManaging Partner at Interactive Venture Partners LlcKerry WuAssociate VP, Research & Partnerships at The Westly GroupTyler LancasterPartner — Co-Head of Ventures at Energize VenturesRemi SaidGeneral Partner at Partech Ventures
+ 88 more
Shared employers
Also worked at Dell Technologies439
Jim BreyerFounder & CEO of Breyer CapitalMichael DellFounder & CEO of Dell TechnologiesBill RichterCEO of Qumulo and venture partner at MadronaSujal PatelStrategic Director at Madrona Venture GroupAtli ThorkelssonVP of Network at Redpoint VenturesGil GorenPartner at 83North
+ 433 more
