Born in 1952 in Sterlitamak. In 1974 graduated from Ufa Oil Institute.
From 1974 to 1987 worked in Nadymgazprom at first as an operator of gas output, then as a chief engineer of the association.
Upon graduation from Academy of National Economy in 1989 was appointed to the post of Yamburgazdobycha general director deputy
From 1997 on - general director of the enterprise. Took active part in large deposits development - Yamburgskoye and Medvezhye.
For ten years between 2001 and 2011 he was a Deputy Head of the Management Committee of Gazprom for production, as well as a shareholder of the Russian natural gas company.
On December 30, 2011, Ananenkov was dismissed by Gazprom and replaced by Vitaly Markelov.
Professor, Doctor of Economic Sciences, author of 3 inventions.
Married, has a son.