Voloshin quickly became a core member of Putin's team and was especially praised for his intellect and his ability to "devour work".

While Chief of Staff, Voloshin was widely regarded as pro-business, and his resignation amidst the prosecutorial focus on Yukos Oil Company, was seen as part of a broader turn away from free-market systems.

[4] Alexander Voloshin has been a non-executive director of Yandex since August 2010 after serving as an advisor to the company for two years.

Since February 2012 to 2023, Alexander Voloshin serves chairman of the board and independent director at JSC Freight One.

In 2018, he became a co-owner of American Ethane with Konstantin Nikolaev, Mikhail Yuriev, and Andrey Kunatbaev.