Colin Fleming (racing driver) leave Carlin and the Red Bull Junior Team, Red Bull officially released him and he was replaced by fellow Red Bull Junior Team member and Future Formula One Champion Sebastian Vettel, after leaving Red Bull, he returned to the United States to complete in the Atlantic Championship mid-season and he finished 20th with 45 points and since then has not raced anymore in a Major Series, until he decided to retire. Now Colin is a high-level executive with Salesforce. Colin Fleming (racing driver) Colin Fleming (born April 21, 1984 in San Diego, California) is an American former racing driver who
David Walker (racing driver) David Walker (racing driver) David Walker (born 10 June 1941 in Sydney) is an Australian former racing driver who drove for Lotus in the 1971 and 1972 Formula One World Championships. Walker had some international racing experience early in his career in the Australian rounds of the Tasman series in 1964-65 on challenging tracks like Longford and Sandown at a time when most Australian National 2.5 drives were near world class and he also drove a Lotus 70 in the 1971 Australian rounds. During the 1960s Walker's racing career faltered (he was the 1969 British Formula Ford Champion and finished