Harrison returns to Mother

London-based advertising agency, Mother, has announced the return of Mark Harrison as a global business lead across the Walgreens Boots Alliance business to manage the team and lead the agency’s forthcoming customer-driven campaigns. Harrison was previously the managing director of Retail at Karmarama where he led the agency’s fast-moving clients including B&Q, Costa and most recently Iceland supermarkets. Harrison was at Mother from 2008 to 2012.