Eugene Tenenbaum was born in Ukraine in the former Soviet Union but moved to Canada at a young age. He is one of Roman Abramovich's closest associates and was formerly head of corporate finance at Sibneft, the oil company sold by Mr Abramovich in 2006. He is the managing director of MHC-Services Ltd and sits on the board at EVRAZ plc.
Tenenbaum joined the Chelsea board when Mr Abramovich purchased the club in 2003 and has been a member throughout a glittering chapter in the club's history, with nine pieces of major silverware collected prior to the lifting of the Champions League trophy in Munich in 2012. That was added to by the Europa League a year later and in 2015, another Premier League title and League Cup with a further league championship added two years later.
Tenenbaum graduated from the University of Toronto with a degree in economics. He also holds a bachelor's degree in commerce and finance from the same university. He later qualified as a chartered accountant, joining the Business Advisory Group at Price Waterhouse in Toronto in 1987.
He then spent five years in corporate finance with KPMG in Toronto, Moscow and London, including three years as the national director of KPMG International between 1990 and 1993. Tenenbaum later served as director of corporate finance at Salomon Brothers between 1994 and 1998.