Professor Mladen Garašić, PhD has been secretary of the Union Internationale de Speleologie (UIS) from years 2013 to 2017, and from 2017 to 2022. He was vice president of the Federation Speleologique Europenne (FSE) in the years from 2015 to 2019.
The Photograph shows the Board of the UIS at the occasion of the International year of caves and karst proclamation in front of the UNESCO building in Paris. 
