We offer courses for professionals in the following fields:

• Communication
• (Cyber) Security
• Diversity & Inclusivity
• Health care
• History
• Physics
• Politics & Governance
• Psychology & Economics
• Law
• Language & Culture

You can register for a course via the course page. On this page, you will find all information about the programme and, if necessary, the contact details of the course coordinator.

More information about payment methods for your chosen course can be found on the course page. On this page, you will find all information about the programme and, if necessary, the contact details of the course coordinator.

Several online open days for professionals are organised throughout the year. During these open days, you can attend webinars to get to know the lecturer(s), get an introduction to the courses, and ask all your questions.

Our on-site courses are mainly offered in Leiden and The Hague. In addition, Leiden University also offers online courses.

Yes. You can find these courses by filtering on 'online' on the overview page with all courses. 

Depending on the course you have chosen, you will receive a certificate of participation, an accredited partial certificate, or an accredited diploma. If you would like to know in advance which document you will receive, you can find this on the course page.