His early career involved stints at Mobil, Tricentrol, Grand Met/Diageo, PepsiCo and Wilson Sporting Goods, living in various parts of the world including Cyprus, Singapore and the US.
In 1996, Reid-Anderson joined Dade Behring Holdings Inc., a company which manufactured testing equipment and supplies for the medical diagnostics industry, as executive vice-president and chief financial officer (CFO) and later became chief administrative officer and CFO in September 1997. In April 1999, he was promoted to the role of president and chief operating officer and then CEO in September 2000. He was elected as the chairman of the board in October 2002.
In 2005, Reid-Anderson was a finalist in the Smart Business Chicago Entrepreneur of the Year awards[2] and was later named in the British Sunday Times as the 22nd most influential Briton in the US[3]
In 2007, Dade Behring was acquired by the German conglomerate Siemens AG.[4] In November 2007, Reid-Anderson became the CEO of Siemens Healthcare Diagnostics and in May 2008, became a member of Siemens AG's managing board and CEO of Siemens Healthcare Sector. In 2009 he became a director of Stericycle Inc, an Illinois-based waste management company.[5]
On 12 August 2010, Jim Reid-Anderson was named chairman, president and chief executive officer (CEO) of Six Flags Entertainment Corporation.[6] The success of Dade Behring led investors to appoint him to this role, and their belief in him was rewarded as the company saw six record years in a row from a financial, guest and employee satisfaction perspective.
Reid-Anderson was succeeded by John M. Duffey as chairman, president, and CEO in 2016, but moved into the role of executive chairman on 19 February 2016, allowing others in the organisation to move up into senior roles. He continued to have a role in key strategic matters at the company, including governance, M&A, and international and organizational development.
On 18 July 2017, Six Flags announced that its board of directors had appointed Jim Reid-Anderson, who had been serving as executive chairman of the company since February 2016, to re-assume his position as the company's chairman, president and CEO, effective immediately. Reid-Anderson succeeded John M. Duffey, who had suddenly resigned from the company for unknown personal reasons. Reid-Anderson had formerly served as chairman, president and CEO of Six Flags from August 2010 through February 2016.[7]
On 24 October 2019, Six Flags announced that on 18 November 2019, Reid-Anderson would resign and be replaced with Michael Spanos, a chief executive officer of a division of PepsiCo, effective immediately.[8]
