Studies
- 1981-1985: B.Sc. in Physical Education, Aristotle University of Thessaloniki, Greece, Department of Physical Education and Sports Science
- 1986-1988: Postgraduate Studies in Physical Education, German Sport University Cologne, Germany
- 1988-1995: Ph.D. in Social Sciences (Sports Science), Eberhard Karls University Tuebingen, Germany, Institute of Sports Science
- Teaching Courses
Research Interests
- Analysis and training of soccer technique
- Evaluation and training of soccer physical fitness
- Evaluation and training of soccer physical fitness in childhood and adolescence
- Evaluation and training of physical fitness
Indicative Publications
- Gissis I. Exzentrisch erzwungene Maximalkraftwert-Erhohungen als reaktiver Impulsgewinn interpretiert. Sportwissenschaft, 2003, 33 (1): 62-75.
- Gissis I., A. Grezios, U. Gohner, H.-H. Dickuth, Ch. Papadopoulos. Innervationsverhalten der Beinmuskulatur wahrend der Reaktivkrafttests auf der Kraftmessplattform und auf eine spezielle Rampenmesseinrichtung. Leistungssport, 2004, 34 (5): 44-49.
- Gissis Ι. C. Papadopoulos, V.I. Kalapotharakos, A. Sotiropoulos, G. Komsis, and E. Manolopoulos. Strength and speed characteristics of elite, sub-elite and amateur young soccer players. Research in Sports Medicine: An International Journal, 2006, 14 (2): 205-214.
- Sotiropoulos A., Travlos A., Gissis I., Souglis A., Grezios A. The effect of a 4-week training regimen on body fat and aerobic capacity of professional soccer players during the transition period. Journal of Strength and Conditioning Research, 2009, 23 (6): 1697-1703.
- Gissis I. Comparison of physical capacities strength and speed of different competition level football players. Journal of Physical Education and Sport, 2013, 13 (2): 255 - 259.