de Wolf replaces Alex Derwin who departed to set up his own agency after almost nine years with the Enero agency.
Mediaweek broke the news of Derwin's departure from BMF and intention to launch his own shop in April.
Kiah Nicholas, Emily Field, Lisa Down & Leila Cranswick named innovation leads/associate creative directors.
Steve McArdle told Mediaweek the agency will announce a new CCO over the next couple of months.