DEFINITION of Alexey Miller

The CEO and chairman of the major Russian energy company Gazprom. Miller has a Ph.D. in Economics from Voznesensky Leningrad Finance and Economics Institute. Born in 1962 in Leningrad (St. Petersburg), he began working for Gazprom as its CEO in 2001. Prior to that, he worked in the St. Petersburg mayor's office, the Port of St. Petersburg, the Baltic Pipeline System and the Russian Federation.

BREAKING DOWN Alexey Miller

As of 2009, Gazprom is the largest company in Russia and the world's largest natural gas extractor. It is a public-private company held partly by the Russian government, and many of the company's employees also hold government positions. The company's largest domestic competitor is Novatek.