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About Us

CIROS was founded in March 2018 as a student initiative aimed at fostering social cohesion within the IRO student community through a range of academic and non-academic events.


Since then, we have grown to become a registered Student Association within Leiden University, with 11 committees, several clubs, as well as several ongoing projects. We are composed of students from over 25 different nationalities.

Our mission is to build a community that every IRO student can feel a part of.


Contact Us:

2022_23 Board Picture

We Currently Have

The Board

Meet the Past Boards

What We Stand For

Diversity & Inclusion

CIROS is working to ensure a diverse and inclusive environment within our association.


At CIROS we strive to be part of this change and to participate in this great movement towards a sustainable future.

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