Born February 22, 1957 in n. Labor Poronayskiy District of Sakhalin Region.
. In 1978 graduated from Novosibirsk State University, majoring in "economic cybernetics" with the qualification "economist-mathematician."
. Since 1978 - the engineer in the development of the software of the AMS Moscow NGO mechanization and automation of production.
. In 1980 - 82 served in the army.
. From 1982 - economist, expert, senior expert, leading specialist of oil, gas and coal industries Gosplan.
. In 1991 - Deputy Head of Department, Vice President, Head of the Moscow Oil Exchange.
. From 1991 to March 1994 - Deputy Minister of Fuel and Energy.
. From March 1994 to 1995 - Deputy Minister of Finance, was the representative of the State management embodied in the federal ownership shares in AO Sidanko, the Eastern Oil Company and ONAKO.
. Since November 1995 - Deputy Chairman of the Board Menatep.
. Since 1996 - Vice-President of Rosprom.
. From 1996 - vice-president of economics and investment policy of AO Yukos Oil.
. In 1996 joined the Board of Directors of Yukos subsidiaries - Yuganskneftegaz, Samaraneftegaz and Novokuibyshev Refinery.
. Since February 1997 - board member of the management company, established companies Rosprom and Yukos.
. Since November 1998 - President of JSC "Northern Oil"
. In December 1999, was dismissed from his post as the shareholders' meeting, held in the premises of LUKoil. Later LUKoil waived the decision to remove
Samuseva.