Madison & Wall Expands Forecasting, Analysis and Advisory Services Globally With Hire of WARC’s James McDonaldMadison & Wall, a data, research and strategy consultancy for the media, advertising and technology industries, today announced an expansion of its global advertising market coverage and the hiring of James McDonald, who joins the firm from WARC as managing director, global markets, and Michael Leszega, CFA, who joins from MAGNA as senior analyst.
