King began his career in 1981 at BBDO New York. King's agency account management experience also included Backer & Spielvogel and Ted Bates in New York.  He also gained client side experience as Marketing VP for Financial Management Accounts at Shearson Lehman Brothers before forming and running his own marketing agency in New York called The Marketing Partnership. In 1992, King joined Saatchi & Saatchi Taiwan as CEO and in two years moved the agency into the top 10 and was chosen by Advertising Age magazine as the first Agency of the Year in Taiwan.  He added the CEO responsibility of Saatchi & Saatchi Great Wall in 1996; building the largest advertising agency in China. In 2000, King took the helm as CEO at NetEase.com, one of the leading Internet portals in Mainland China.  He and his management team successfully took the company public with a NASDAQ listing in June of that year.

King joined Initiative Worldwide in January 2002 as Chief Operating Officer, Asia Pacific, and brought with him over 20 years of advertising, marketing and management experience to the Initiative network. Whether growing a business or maturing a talented staff, King's unbounded energy and wide-ranging professional experience has time and time again allowed him to set, and exceed, goals that others would deem unattainable.