Timothy Hee Sun Leo

Associate Professor Timothy Leo Hee Sun

Associate Professor, Psychology Postgraduate Programmes

School of Humanities and Behavioural Sciences

Tel: +65 6240 8945

Email: dGltb3RoeWxlb2hzQHN1c3MuZWR1LnNn

Educational Qualifications

1992
Postgraduate Diploma in Clinical Psychology, University of Auckland, NZ

1991
Master of Arts (1st Class Honours) Psychology, University of Auckland, NZ

1989
Bachelor of Arts, Psychology, University of Auckland, NZ

Academic and Professional Experience

2020 – 2023
Associate Professor, SUSS & Senior Consultant Psychologist,
Singapore Prison Service, Ministry of Home Affairs

2017 - 2020
Deputy Chief Psychologist, Office of Chief Psychologist, Ministry of Home Affairs

2012 - 2020
Director, Psychological & Correctional Rehabilitation Division, Singapore Prison Service

2009 - 2012
Senior Assistant Director, Psychological & Counselling Services Branch, Singapore Prison Service

2001 - 2009
Head, Psychological Services Branch, Singapore Prison Service

1997 - 2001
Head of Psychology Dept., Regional Forensic Psychiatry Service, Auckland, NZ

1995 - 1997
Acting Head of Psychology Dept., Regional Forensic Psychiatry Service, Auckland, NZ

1992 - 1995
Clinical Psychologist, Regional Forensic Psychiatry Service, Auckland, NZ

Abdin, E., Koh, K., Mythily, S., Gua, M., Leo, T., Teo, C., Tan, E.E., Chong, S. A., (2011)
Validity of the Personality Diagnostic Questionnaire-4 (PDQ-4+) among mentally ill prison inmates in Singapore. Journal of Personality Disorders, 25, 834-841.

Leo, H. (2010)
The Introduction of Evidence-Based Practice within an Organisation Undergoing Transformational Change. UNAFEI Resource Material Series, 88, 77–86. 

Leo, H. (2010)
Current Evidence-Based Practices in the Singapore Prison Service. UNAFEI Resource Material Series, 88, 87-95.

Leo, H. (2010)
Using Evidence-Based Knowledge to Create an Offender Throughcare System. UNAFEI Resource Material Series, 88, 96-104.

Leo, H. (2017)
The application of psychology to the Singapore Prison Service. In H. C. Chan, & S. M. Ho
(Eds.), Psycho-criminological perspective of Criminal Justice in Asia. Research and Practice in Hong Kong, Singapore, and Beyond (pp. 184-199). Routledge.

2020
Member, International Correctional and Prisons Association

2008
Member, International Critical Incident Stress Foundation 

2003
Registered Psychologist, Singapore Psychological Society

1993
Registered Psychologist, New Zealand Psychologist Act, 1981

2019
Joint training initiative between Singapore & the United National Office of Drugs &
Crime (UNODC) in the area of correctional rehabilitation for Asia Pacific correctional
professionals

2017 - 2019
Panellist and scientific representative of the Singapore Ministerial Delegation to the
United Nations Commission on Narcotic Drugs

2015 - Present
Member, Programme Advisory Committee, Counselling Programme, SUSS

2012
Visiting expert trainer at the United Nations Asia and Far East Institute for the Prevention
of Crime and the Treatment of Offenders (UNAFEI)

2008 - 2013
Member, Board of Visitors, Ministry of Community Development, Youth & Sports

2009
Clinical Field Supervisor, Masters/Psy D Clin Psych programme, NUS

2006 - 2008
Clinical Field Supervisor, Masters/Psy D Clin Psych programme, James Cook University

1995 - 2001
Clinical Associate, Postgraduate Clinical Psychology Programme, University of
Auckland

2004
Home Team Achievement Award (SARS Staff Planning Group)

2004
Home Team Achievement Award (Expanding Mental Well-Being & Resilience
in the Home Team)

2004
MHA’s Award for Operational Excellence

2006
MHA’s Award for Operational Excellence (Individual)

2019
Minister for Home Affairs Home Team Achievement Award

2020
Long Service Award (20 years)

2023
Public Administration Medal (Silver)

  • Correctional Psychology
  • Criminal Psychology
  • Forensic Mental Health
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