Universiteit Leiden

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Graduate School of Science

About our Graduate School

The Graduate School of Science offers PhD programmes spanning the entire spectrum of science from Mathematics to Environmental Science.


The Graduate School of Science operates under the supervision of the Faculty Board. Professor Erik Danen is Dean of the Graduate School of Science. The Dean is supported by the Graduate School Office.

Facts and Figures

The Faculty of Science was established in 1815 and is currently home to more than 1000 PhD candidates. 

International environment

A significant number of PhD candidates comes from abroad and the same applies to the scientific staff and the post-doctorate fellows. English is the language of the courses, the colloquia, the scientific meetings and the daily conversations in the research groups. 

Academic environment

The Graduate School of Science provides an academic environment with seminars and workshops as well as opportunities for dialogue, quiet study, and focused experimentation. There are close collaborations with for example the Leiden University Medical Centre (LUMC), companies situated in the Leiden Bio Science Park and TU Delft.

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