Bohdan Zronek studied electrical engineering at the Czech Technical University in Prague. After two years of training, he started working at the Temelín Nuclear Power Plant. He worked there in a number of positions—as a turbine operator, reactor operator, unit control room manager, reactor unit manager, and shift engineer. He became a chief process engineer in 2008 and Temelín operations manager two years later. In 2012 he was appointed as Chief Security Officer for all CEZ power plants and from January 1, 2015 he worked as the Director of the Temelín NPP.