Mark David Williamson (born December 1957) is a British businessman.
Mark Williamson was born in December 1957[where?].
[1] Williamson "qualified as Chartered Accountant in South Africa in 1983.
"[2] He was the chief financial officer of International Power from 2003 to 2012.
[2] He is the chairman of Imperial Brands, and a non-executive director of National Grid.