The ICO office includes the scientific and educational management of ICO. The Scientific Director and Educational Director are primary responsible for the daily management of ICO. They are assisted by the Executive Secretary at ICOs office.

ICO Director: Prof.dr. L. (Liesbeth) Kester (Utrecht University)
Executive Secretary: Drs. C. (Caroline) Vonk ( (Utrecht University)
Phone: +31 6 28462933 (Monday-Thursday)
Educational Director: Prof.dr. M.T. (Tim) Mainhard (Leiden University)
Postal address: Utrecht University
T.a.v. Caroline Vonk, ICO
Afdeling Educatie, room E3.02
Martinus J. Langeveldgebouw
Heidelberglaan 1
3584 CS Utrecht
Billing address: ASC van de Universiteit Utrecht
O.v.v. WBS SB.000137
Heidelberglaan 1, 3584 CS  Utrecht
ICO Counsellor: Jan Vermunt

Reimbursement of travel expenses (ICO tutors and course coordinators): Go to

This expense claim form is aimed at natural persons who are not employed by Utrecht University; who do not have a solis-id; and who are not self-employed.
You will be asked to give WBS element that the expenses must be charged to. you will also need the contact person’s email address, which is to be entered on the form:

  • E-mail address contact person:
  • WBS Element: SB.000137

You can find some more information about the claim of expenses at the page Information for Coordinators and Lecturers.
For questions about your expenses contact the Executive Secretary at

Social media: Become friends with ICO on facebook, follow us at Twitter (@ICO_Education), or become part of the LinkedIn ICO Group.