[4] Miller’s first role was as an engineer-economist in the general planning division of the Leningrad research institute of civil construction ‘LenNIIProekt’.

[9] From 1991 to 1996, Miller served with the Committee for External Relations of the Saint Petersburg Mayor's Office under Vladimir Putin.

Putin secured Miller’s appointment as CEO so that his former colleague could put an end to fears that some of Gazprom’s executives had harmful third-party relationships.

[13] Following Russia's 2022 invasion of Ukraine, Miller was sanctioned by the British government which involved freezing his assets and a travel ban.

[14][15] In December 2005, Miller was named Person of the Year by Expert magazine, the influential Russian business weekly.