Sept 8 (Reuters) - Koninklijke Ahold Delhaize Nv -
* Ahold Delhaize announces leadership changes in Europe and Belgium
* Wouter Kolk, brand president of Albert Heijn, to be named COO Europe and Indonesia effective January 1, 2019.
* Pierre Bouchut to retire in 2018
* Xavier Piesvaux will be appointed brand president Delhaize Belgium and Luxembourg effective September 11, succeeding Denis Knoops Source text for Eikon: Further company coverage: (Bengaluru Newsroom)