Professor Andrew P. Hill is Head of Postgraduate Research at York St John University where he also directs a research group examining the consequences of perfectionism in different achievement contexts. Professor Hill has co-authored over 100 peer-reviewed papers, 10 book chapters, and edited two books in the field of perfectionism. He is a section editor and editorial board member of three major international scientific journals. He believes that reducing perfectionism is one of the most important things we can to improve our mental health and success.