She was promoted to district sales manager in 1983, then moved to London in 1990 to serve as a brand director for Brown and Williamson's parent company, British American Tobacco.

In 1994 she became Director of Marketing in China, based in Hong Kong, then moved back to England in 1996 to become Head of International Brands.

[1] She returned to the United States and to Brown & Williamson in 1999 to join the company's executive committee as senior vice president of marketing.

[9] In December 2010 Cameron retired as the chairwoman of Reynolds and in February 2011 she left her positions as president and chief executive.

[10] After spending several years in retirement, she re-joined the board at Reynolds in January 2014. , returning to the role of CEO on May 1.

Ten weeks after her return from retirement, the company announced that it was planning to purchase Lorillard for $27.4 billion.

Reynolds' Chairman of the Board Tom Wajnert said that Cameron takes a strong stand about the dangers of smoking: "Susan has been more open and aggressive than most people in the industry.