Find your path to Jonathan
1 people in our graph share verified history with Jonathan — schools, employers, funds. One of them is your warm intro.
About
Jonathan Görtz is founder and CEO of Ossus, a software platform that manages library operations including cataloging, circulation, and inventory management.
Founder/CEO at OssusYC W26
Intro paths
YC
Jonathan 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 Jared Friedman, YC Group Partner — the partner who ran Ossus's batch and knows the company first-hand. YC profile ↗
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In turn, Jonathan can intro founders to Ossus's investors below.
Ossus's investors · 2
Co-founders at Ossus
CJ
Carl-Hugo JacobssonFounder
KS
Kaan SirinFounder
Experience
- Ossus (YC W26)Founder & ceo2025 — 2026
- LinuxOpen Source2023 — 2025
- CyberboostCo-Founder2022 — 2023
- Blizzard EntertainmentCompetitive gaming2017 — 2022
Skills & more
StarCraft II
Languages C++ · Swedish
From Jonathan's professional profile.
Frequently asked questions
- Who is Jonathan Görtz?
- Jonathan Görtz is founder and CEO of Ossus, a software platform that manages library operations including cataloging, circulation, and inventory management.
- Where does Jonathan Görtz work?
- Jonathan Görtz is Founder/CEO of Ossus.
- What companies did Jonathan Görtz found?
- Jonathan Görtz founded Ossus.
- Where did Jonathan Görtz go to school?
- Jonathan Görtz studied at Y Combinator; high school.
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
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
Shared employers
Also worked at Ossus (YC W26)4
Also worked at Blizzard Entertainment25
Garry HillInvestment at Makers FundGustav RydstedtAdvisor, Infrastructure Software at Verissimo VenturesLirui DingPrincipal at TRANSCENDRobbie Th'ngVice President, Customer Development at Unusual VenturesElaine Di lorioLegal at Samsung NextSeth SivakInvestor at TIRTA Ventures
+ 19 more