Waldemar, Margrave of Brandenburg-Stendal | Waldemar Rezmer | Waldemar Haffkine | Waldemar | Waldemar Kaempffert | Waldemar Bonsels | Shirley Waldemar Baker | Prince Waldemar of Schaumburg-Lippe | Major Waldemar Fydrych |
On his retirement as a player, Iwan embarked on a coaching profession, for the first few years with a junior team in Wisła Kraków, leading him to the assistant position of the first team between 1999 and 2001 (Adam Nawałka followed by duet Orest Lenczyk and Waldemar Fornalik).
However after Waldemar Fornalik took over as the national team coach, Piech started to get called up regularilly, and is the second choice striker behind Robert Lewandowski.