 Prior to his entry into politics, Hoc was a doctor at the Kołobrzeg Medical Center, receiving his doctorate of medicine from the Pomeranian Medical University in 1979.During a local referendum, MP Hoc supported the antinuclear movement in Mielno and Gąski where 94% of inhabitants voted against Polish government's NPP location.He became a Member of the European Parliament (MEP) in November 2015, replacing Marek Gróbarczyk.