Fundraising Fox

Jonathan Görtz

Founder

Founder/CEO at Ossus

San Francisco Bay Area

FoundedOssus · YC

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 ↗

In turn, Jonathan can intro founders to Ossus's investors below.

Ossus's investors · 1

Co-founders at Ossus

CJCarl-Hugo Jacobsson
Carl-Hugo JacobssonFounder
KSKaan Sirin
Kaan SirinFounder

Experience

  1. Ossus (YC W26)Founder & ceo2025 — 2026
  2. LinuxOpen Source2023 — 2025
  3. CyberboostCo-Founder2022 — 2023
  4. Blizzard EntertainmentCompetitive gaming2017 — 2022

Education

  1. Y Combinator
  2. high school2022 — 2024

Skills & more

StarCraft II

Languages C++ · Swedish

From Jonathan's professional profile.

Founder mafias

Same school

Shared employers