About
Kaan Sirin is founder of Ossus, which builds software for managing library operations including cataloging, circulation, and inventory management.
Founder at OssusYC W26
Intro paths
YC
Kaan 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, Kaan can intro founders to Ossus's investors below.
Ossus's investors · 2
Co-founders at Ossus
JG
Jonathan GörtzFounder/CEO
CJ
Carl-Hugo JacobssonFounder
Experience
- Ossus (YC W26)Co-foundercurrent2025 — presentStockholm, Stockholm County, Sweden
- ModulaiAI Engineer2025
- The Faculty of Engineering at Lund UniversityProgramming TA2023 — 2025Lund, Skåne County, Sweden
- SectraSoftware Engineer2024
- Boston Consulting Group (BCG)UnlimITed2022Copenhagen Metropolitan Area
Skills & more
Probability Theory3Python (Programming Language)3Data Analysis3Machine Learning1Data Science1Deep Learning1
- Machine Learning Specialization — DeepLearning.AI, Stanford University
From Kaan's professional profile.
Frequently asked questions
- Who is Kaan Sirin?
- Kaan Sirin is founder of Ossus, which builds software for managing library operations including cataloging, circulation, and inventory management.
- Where does Kaan Sirin work?
- Kaan Sirin is Founder of Ossus.
- What companies did Kaan Sirin found?
- Kaan Sirin founded Ossus.
- Where did Kaan Sirin go to school?
- Kaan Sirin studied at Y Combinator; The Faculty of Engineering at Lund University (M.Sc. in Industrial Engineering and Management); Nanyang Technological University Singapore (Engineering).
Founder mafias
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Nanyang Technological University Singapore mafia42
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The Faculty of Engineering at Lund University mafia9
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Shared employers
Also worked at Ossus (YC W26)4
Also worked at The Faculty of Engineering at Lund University3
Also worked at Sectra1
Also worked at Boston Consulting Group (BCG)907
David SzeAdvisory Partner at GreylockDave MunichielloInvestor at GV (Google Ventures)Massimo PrelzInvestor at DN CapitalRasmus AreskougInvestor at DN CapitalRiccardo MontiOperating Advisor at P101 VenturesAntonio TurroniOperating Advisor at P101 Ventures
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