With a New Global Chief Talent and Inclusion Officer, WPP Explains Its Plan to Keep Diverse Talent People often leave their jobs because they don''t envision themselves advancing to a more fruitful or prestigious position. And in a climate where employees are taking control of their own career paths, LJ Louis is responsible for reassuring staff in the WPP community--specifically diverse talent--that promotions are on the horizon. Louis joins the holding company''s…