The board of the International Congress and Convention Association (ICCA) has announced the sudden departure of long-serving CEO, Martin Sirk, who is to step down from his position with the association at the end of July 2018. With Sirk’s swift departure, the ICCA Board said the association’s chief value officer, Dennis Speetwould with “immediate effect” lead ICCA as its acting CEO. The Board said in a statement that it would be “working with new le...