Poberejsky, who raced under the pseudonym Mike Sparken, began his career in 1952 with an Aston Martin DB2 and a class win in Montlhery. Most of his race drove the French in North Africa. In 1955, he won on a 3-liter Ferrari 750S sports car race at Agadir. With the Ferrari Poberejsky drove sports regularly and chariot races in the UK.
His only use in a single-seater he had the 1955 Grand Prix of Great Britain. On a plant - Gordini he finished seventh, but had the goal nine laps behind the winner Stirling Moss, who won his first Grand Prix.
Poberejsky died on September 21, 2012 82 -year-old with cancer.