Sion Thomas BSc, PGCert Counselling, PGCE, MSc

Senior Lecturer, Sport and Exercise Psychology

Key details

Sion Thomas

Sion Thomas

Senior Lecturer, Sport and Exercise Psychology

Sion Thomas is a Senior Lecturer of Sport and Exercise Psychology in the School of Education at the University of Greenwich.

Sion is an Applied Performance Psychologist. He currently works with a broad range of athletes in over 28 different sports, from a British junior dressage champion to a double British cage fighting champion. Sion also works with professional athletes in cricket, football and tennis as well as consulting individual athletes in other disciplines.

Since 2000, Sion had led all the sport psychology related courses on both the BSc Hons Sports Science degree, and the BA Hons Physical Education & Sport degree and will become involved on the MSc Sport & Exercise Psychology programme from September 2016.

Sion was recently accredited as a practitioner for Thomas International, applying a behavioural assessment tool known as the PPA which he hopes to deliver to the faculty and benefit retention and recruitment opportunities.

Posts held previously:

  • 1997-1999, Visiting Lecturer, Roehampton Institute, University of Surrey
  • 1994-1999, Head of Physical Education & Sport, Aldenham School, Elstree, Hertfordshire

Responsibilities within the university

  • Senior Lecturer of Sport and Exercise Psychology in the School of Human Sciences
  • Leads on Sport Psychology for the BA Hons PE & Sport degree, and BSc Hons Sport Science courses


  • 2016, Reviewer: Psychology for Football. In: Perceptual & Motor Skills. Routledge Press
  • Membership: BASES, Accredited Sport Scientist, Psychology Support
  • 2013-present, External Examiner, University College of Wales, Carmarthen 
  • 2010-13, External Examiner, University of Worcester

Research / Scholarly interests

Sion's current research interests include the home advantage phenomenon and hardiness amongst elite performers.

Recent publications

Thomas, S., Reeves, C., Agombar., J. and Greenlees, I. (2013). Personality construct of hardiness among elite, world class professional motorcycle riders. Perceptual & Motor Skills.

Thomas, S., Reeves, C. and Bell, A. (2008). Home Advantage in the Six Nations Rugby Union Tournament. Perceptual & Motor Skills, 106, pp. 113-116.

Thomas, S., Reeves, C. and Smith, A. (2006). English Soccer Teams' Aggressive behaviour When Playing Away From Home. Perceptual & Motor Skills, 102, pp. 317-320.

Thomas, S., Reeves, C. and Davies, S. (2004). An Analysis of Home Advantage in the English Football Premiership. Perceptual and Motor Skills, 99, pp. 1212-1216.