- Marie Curie Research Incoming Fellow – European Union (FP7)
- Marie Curie Alumni Association Member, European Union.
- Researcher at Olympic Studies Centre, State University of Rio de Janeiro
- Researcher and Supervisor at PACC – Contemporary Culture Advanced Program of Federal University of Rio de Janeiro
- Membership of Chartered Institute of Marketing as Affiliate Professional Member (Number 38453105).
- Member of the Instituto de Investigación Olímpica (Olympic Investigation Institute), Universidad de Occidente – Mexico.
- Member of Sociological Studies in Physical Education and Sport Research Group, (GPES – UFPEL) – Federal University of Pelotas, RS, Brazil.
- Member of Editorial Board of Podium Sport, Leisure and Tourism Review
- Review editor of Critical Contemporary Culture Journal
- Member of International Society for Comparative Physical Education & Sport (ISCPES)
- Member of Société Internationale d’Histoire de l’éducation physique et du sport (ISHPES)
- Member of European Association for the Philosophy of Sport, European Association for the Philosophy of Sport.
- Director of Research – BPSF, Brazilian Police and Firemen Sport Federation
- Member of Associação de Brasileiros Estudantes de Pós-Graduação e Pesquisadores no Reino Unido, ABEP-UK
- Member of International Society of Performance Analysis of Sport, International Society of Performance Analysis of Sport.
- Miembro de la Asociación Latina de Filosofía del Deporte, Asociación Latina de Filosofía del Deporte.
- Member of Pierre de Coubertin Brazilian Committee (Comitê Brasileiro Pierre de Coubertin)
- Coordinator of Judo in the Special Olympics Brazil
- Member of Brazilian Judo Federation
- Member of Time Rio Project and Science of Sport Department at the Brazilian Olympic Committee
- Coordinator of 48th and 49th Young Participants Session, International Olympic Academy – International Olympic Committee.
DR LEONARDO MATARUNA 