Tim Hannan is a clinical psychologist and neuropsychologist who has worked in public health, private practice and tertiary education over a thirty year period. He has been employed at Charles Sturt since 2012, where he has served as Head of the School of Psychology (2015-2018) and Director of the Professional Psychology programs (2012-2014, 2018-present). Tim’s educational background includes postgraduate qualifications in clinical psychology (Sydney), clinical neuropsychology (Macquarie), cognitive science (UNSW), linguistics (UNE) and sport psychology (UWS), as well as degrees in languages (ANU) and Asian studies (ANU).

The majority of Tim’s career has been in the field of child and adolescent psychology, and he has previously been employed at the Children’s Hospital at Westmead and Sydney Children’s Hospital. His main research interests concern the assessment and treatment of childhood disorders, including anxiety disorders, sleep problems, and developmental learning disorders. In 2003, he received $1.1 million of funding to direct the Australian standardisations of three major tests of children's cognitive abilities, the WISC-IV, WIAT-II and CELF-4. Tim is a well-regarded presenter in several fields of child and adolescent psychology, having presented over 300 keynotes, workshops and seminars to psychology associations, health and education departments, and various other organisations around Australia and overseas.

For many years, Tim maintained a psychology consultancy in NSW and WA. He directed a private practice in forensic neuropsychology, focussing on medico-legal aspects of acquired brain injury and criminal responsibility in adolescence. He was also contracted as a sport psychology network provider for the NSW Institute of Sport, and founded the Australian Sport Psychology Network (ASPN). Tim was the recipient of the Award of Distinction of the APS College of Sport Psychologists in 2017 in recognition of his contribution to the field.

A member of the Australian Psychological Society (APS) since 1992, Tim has held numerous offices within the Society, including terms as State Chair of the APS College of Clinical Psychologists, National Chair of the APS College of Educational & Developmental Psychologists, and National Chair of the APS College of Sport Psychologists. He also served a term as National Chair of the APS College of Clinical Neuropsychologists, and chaired the College's 5th Annual Conference in 1999 and 12th Annual Conference in 2006. He received the Award of Distinction of the APS College of Clinical Neuropsychologists in 2011. Tim was elected to Fellowship of the APS in 2008, and to the APS Board of Directors in 2010. He served as President of the APS from 2012 to 2014, and chaired the 2nd APS Congress in 2018. Tim has been elected to the 2022-2026 Board of the International Association of Applied Psychology (IAAP) as President of the Division of Clinical and Community Psychology.