International public relations firm Porter Novelli provides advertising, event management, investor and media relations, and other services through some 90 offices in about 60 countries. The firm specializes in several major areas: consumer marketing, corporate and public affairs, health care marketing, digital and social media, and strategy for technology companies. Clients have included such heavy hitters as Procter & Gamble, Hewlett-Packard, and McDonald's. The company was founded in 1972 by John Porter and Bill Novelli. Porter Novelli is a business segment of advertising and media conglomerate Omnicom.