Prof. Dr. Birna Bjarnason-Wehrens, associated Professor of the Department of Preventive and Rehabilitative Sport and Exercise Medicine, Institute for Cardiology and Sports Medicine, German Sports University Cologne, Cologne, Germany (retirement 2018). 2002- 2010 Member of the Board of the German Society for Prevention and Rehabilitation of Cardiovascular Diseases e.V. 2002 to 2006 Nucleus Member of the Working Group on Cardiac Rehabilitation and Exercise Physiology of the ESC. 2006 – 2010 Secretary of the Section Cardiac Rehabilitation of the European Association for Cardiovascular Prevention and Rehabilitation of the ESC. Editorial Board of the European Journal of preventive Cardiology. (Co-)Authored scientific papers as well as recommendations and positions papers and guidelines, mainly on cardiac rehabilitation and especially on exercise training in different cardiovascular disease and conditions.