About
Hadar Weiss is co-founder and CEO of Peer5, a company acquired by Microsoft.
Founder/CEO at Peer5YC W17
Intro paths
YC
Hadar went through Y Combinator (Winter 2017) β any YC alum in your network can reach them through the YC community.
β
In turn, Hadar can intro founders to Peer5's investors below.
Peer5's investors Β· 6
Co-founders at Peer5
SZ
Shachar ZoharFounder/CTO
Experience
- NewThingFoundercurrent2025 β presentIsrael
- Spinach AIInvestorcurrent2022 β present
- MicrosoftGroup Product Manager (Peer5)2021 β 2025Israel
- Peer5Co-Founder and CEO2012 β 2021Palo Alto / Tel Aviv
- Office of the Prime Minister of IsraelCyber Security Manager2011 β 2012Israel
- Office of the Prime Minister of IsraelSoftware Engineer2009 β 2011Israel
- Tel Aviv UniversityStudent, B.Sc2007 β 2011Israel
- Neocleus (acquired by Intel)Linux System Developer2007Israel
- SimigonSoftware Developer2006Israel
- Israeli Defense ForcesSoftwar Developer2002 β 2005Israel
Skills & more
Vibe CodingLeadership12Start-up Ventures1Go-to-Market Strategy1Early Stage Ventures1Entrepreneurship25Project Management10Software Design39Software Development41System Architecture29Algorithms21Software Engineering23
+11 more
VirtualizationAgile MethodologiesOpen Source DevelopmentStart-upsScrumArchitecturesWebRTCArchitectureLinuxJavaScriptThinking Outside The BoxLanguages English Β· Hebrew Β· Spanish
From Hadar's professional profile.
Frequently asked questions
- Who is Hadar Weiss?
- Hadar Weiss is co-founder and CEO of Peer5, a company acquired by Microsoft.
- Where does Hadar Weiss work?
- Hadar Weiss is Founder/CEO of Peer5.
- What companies did Hadar Weiss found?
- Hadar Weiss founded Peer5.
- Where did Hadar Weiss go to school?
- Hadar Weiss studied at Y Combinator (YC W17); Tel Aviv University (Bachelor of Science - BS, Computer Science); Tel Aviv University (BsC, Computer Science).
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
Tel Aviv University mafia60
Also came through, then founded or led a company.
Eyal ShinarFounded Black Ore Technologies +1Irit YanivMBAFounded Digma Medical +1Yuval TalBSc & MScFounded Linguana +1Guy SnirMaster of Business Administration (MBA)Founded Nest Genomics +1Matan TalmiB.Sc.Founded Spinach +1Eran ShiraziB.ScFounded Neo +1
+ 53 more
Spinach AI mafia2
Also came through, then founded or led a company.
Same school
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 Tel Aviv University412
Matan RoetAssociate at Redpoint VenturesArnon 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 Fund
+ 406 more
Shared employers
Also worked at Spinach AI5
Also worked at Microsoft1,188
Reid HoffmanCo-founder of LinkedIn; Partner at GreylockGarry TanPresident & CEO of Y CombinatorNat FriedmanCo-lead of Meta Superintelligence Labs; co-founder of NFDGKai-Fu LeeChairman of Sinovation Ventures and CEO of 01.AIBill GatesCo-founder of Microsoft; Chair of the Gates FoundationMike KriegerCo-founder of Instagram; Chief Product Officer at Anthropic
+ 1,182 more
Also worked at Peer54
Also worked at Tel Aviv University38
Matan RoetAssociate at Redpoint VenturesElad BaronInvestment Professional at Key1 CapitalTom SchifterSenior Associate at Square Peg CapitalKeren KenanPartner, Finance & Operations at PICO Venture PartnersDr. Gali ArtziCTO, Partner at PeakBridge VCEstelle SalomonPrincipal at Speedinvest
+ 32 more