General enquiries

We welcome your feedback and value any suggestions you might have that will help us improve our services. If you have comments, questions, or concerns, we’d like to hear from you.

To contact the Great Minds team

If you have any queries, concerns, or complaints about registering to join or any of the tasks you are asked to perform when you join, please contact Ivan Koychev or his study team by emailing Alternatively you can call the 01865 613113


If you have a complaint, you can contact Ivan and the team (above), or the University of Oxford Clinical Trials and Research Governance (CTRG) office by emailing: or telephone 01865 572224.

How to find us

Department of Psychiatry,
University of Oxford,
Warneford Hospital,
Oxford, OX3 7JX

Test queries

If you need support with the website - when registering or taking any of the tests – please contact our team at