Since 2016, István F. Takács has been working as a doping control officer with the Hungarian Anti-Doping Group. He has extensive experience in all areas of doping control and has served as a DCO at numerous national and international competitions. Notable among these are the World Aquatics Championships held in Budapest in 2017 and 2022, and the 2023 World Athletics Championships. He has also held an international IDCO credential for several years.

István F. Takács holds degrees in biology and psychology. As a psychologist, he practices at his own F2F Psychology Studio and at Mindset Psychology. He teaches psychology students at Károli Gáspár University of the Reformed Church in Hungary. He is pursuing his doctoral studies at the Doctoral School of Education at the University of Szeged, where he researches impulsive decision-making among young people. He is a regular expert guest on several television and radio programs.