Dr. Staron is currently working as Director of Cardiac Rehabilitation at The Upper Silesian Medical Center in Katowice, Poland. Previously serving as Director of Cardiac Rehabilitation at Prince Sultan Cardiac Center, Riyadh, Saudi Arabia he established the first Cardiac Rehabilitation Unit and implemented the first exercise training program in the Kingdom of Saudi Arabia. Dr. Staron is a main author of textbook "Exercise prescription in cardiac rehabilitation" published by MDPI in 2022. He is serving as Member of the Board of the Cardiac Rehabilitation Group of the Polish Cardiac Society. Dr. Staron implemented yoga and tai-ji into cardiac rehabilitation in Poland in 2014. He has been awarded the European Society of Cardiology training grant in 2008.

Dr. Rybicki is currently retired. He was working in the Cardiac Rehabilitation Department at Rehabilitation Center Repty, Poland. He established individual ramp exercise test protocols, metabolic equivalent of task (MET)-to-wat formulas and exercise intensity calculator. In the past he has been actively involved in development of cardiac rehabilitation in Poland as a Member of the Cardiac Rehabilitation Group of the Polish Cardiac Society. He is an author of numerous articles about exercise programming in cardiac rehabilitation.