Co-founder, CEO at Upstream Security
Intro paths
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In turn, Yoav can intro founders to Upstream Security's investors below.
Upstream Security's investors · 10
Alliance VenturesAmsterdamBMW i VenturesMountain View · $10M checksCisco InvestmentsSan JoseConnect VenturesLos AngelesCRV (Charles River Ventures)Bay Area · $250K – $5M checksGlilot Capital PartnersHerzliya · $1.5M – $70M checksManiv MobilityTel Aviv · $2M – $126M checksRoosh VenturesKiev · since 2026Volvo Group Venture Capital ABGothenburg · $1.1M – $10.8M checksY CombinatorSan Francisco · $500K checks · since 2026
Co-founders at Upstream Security
YA
Yonatan AppelCo-founder, CTO
Experience
- Upstream SecurityCo Founder, CEOcurrent2017 — presentHerzliya Area, Israel
- BroadcomAssociate Director, Product Marketing2012 — 2017Israel
- BroadlightDirector of Product Management2008 — 2012
- Juniper NetworksSoftware Group Manager2004 — 2008
- Kagoor NetworksSoftware Team leader2004 — 2005
- Check Point Software TechnologiesSoftware Technology leader2000 — 2004
- MotorolaSoftware Developer1998 — 2000
Skills & more
Product ManagementEthernetEmbedded LinuxTCP/IPEmbedded SoftwareTelecommunicationsSoftware DevelopmentCommunication ProtocolsLinuxEmbedded SystemsIPVoIP
+12 more
System ArchitectureWirelessSecurityCloud ComputingMobile DevicesSoftware DesignMarketing CommunicationsMarketing StrategyMarketingProduct MarketingSIPCLanguages English
From Yoav's professional profile.
Frequently asked questions
- Who is Yoav Levy?
- Co-founder, CEO at Upstream Security
- Where does Yoav Levy work?
- Yoav Levy is Co-founder, CEO of Upstream Security.
- What companies did Yoav Levy found?
- Yoav Levy founded Upstream Security.
- Where did Yoav Levy go to school?
- Yoav Levy studied at Tel Aviv University (MBA); The College of Management Academic Studies (BA, computer science).
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Founder mafias
Tel Aviv University mafia284
Also came through, then founded or led a company.
Kristo KäärmannBachelor’s of scienceFounded TransferWise +2Aviv EyalB.CSFounded Skillful +2Nir ZoharBSc. EE.Founded Chakratec +2Eyal ShinarFounded Black Ore Technologies +1Irit YanivMBAFounded Digma Medical +1Ofer ShapiroM.ScFounded Quantumpulse +1
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Juniper Networks mafia53
Also came through, then founded or led a company.
RK AnandExecutive Vice President and General Manager, Datacenter Business UnitFounded Recogni +1Barun KarSenior Systems ManagerFounded Auradine +1Charlie FranklinDirector, Total RewardsFounded Compa +1Gideon AvidaSoftware Engineering Sr. ManagerFounded Menlo Security +1Changming LiuDistinguished EngineerFounded Aerohive Networks +1Swati DeshpandeSr Staff EngineerFounded Gruve +1
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The College of Management Academic Studies mafia31
Also came through, then founded or led a company.
Shalom NahumMaster of Business Administration (M.B.A.)Founded OrcaMichal GevaBAFounded TriVenturesAmiram ShacharBachelor of Science (BSc)Founded UpwindBarak SchosterBachelor of Science (BSc)Founded BridgecrewTal Ben-DavidBachelor of Arts - BAFounded Quantum ArtBarak Schoster GoihmanBachelor of Science (BSc)Founded Bridgecrew
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Same school
Also attended Tel Aviv University621
Arnon DinurPartner at 83NorthYoram SnirPartner at 83NorthRaz MaysharSenior Manager at Qualcomm VenturesDavid GoldschmidtManaging Director, Head of the Fund at Samsung Catalyst FundAmit ShofarSr. Investment Director at Samsung Catalyst FundRutie AdarInvestments & Innovation Sr. Director, Israel at Samsung Catalyst Fund
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Also attended The College of Management Academic Studies76
Rotem MalichiDirector of Finance and Operations at PICO Venture PartnersBar HevronyDirector Of Programs at TAU VenturesHadar PizantyOperations Manager at TAU VenturesShalom NahumCFO at TAU VenturesEinat NemeshVenture Partner at TAU VenturesMichal GevaManaging Partner and Co-Founder at Triventures
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Shared employers
Also worked at Upstream Security8
Erik JohanssonInvestment Director at Volvo Group Venture Capital ABKobi SambourskyCo-Founder and Managing Partner at Glilot Capital PartnersArik KleinsteinCo-Founder and Managing Partner at Glilot Capital PartnersKasper SageManaging Partner at BMW i VenturesMike GranoffFounder and Managing Partner at Maniv MobilityAtanas MukovPartner at Walter Ventures
+ 2 more
Also worked at Broadcom54
Quinn LiSenior Vice President & Global Head of Qualcomm Ventures at Qualcomm VenturesClint ChaoGeneral Partner at Moment Ventures, LlcCurtis McKeePartner at Third Point VenturesDan KultranCo-Founder & CEO, Claros at Red Cell IncubationCamila Sgai FrancoProduct Fellow at Mighty CapitalVijay ReddyInvestor at Mayfield Fund
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Also worked at Broadlight2
Also worked at Juniper Networks83
Nick PianimManaging Director at Dag VenturesItzik ParnafesVenture Partner at Key1 CapitalDrew KriensPrincipal at Ironspring VentureAnshu AgarwalGeneral Partner at ConvergeJames ChenVenture Partner at Foothill VenturesMike GilleyVenture Partner at Mighty Capital
+ 77 more