He had been elected to the 6th State Duma of the Russian Federation in 2011 as a representative of the Shchyolkovo constituency, and was re-elected in 2016.

He graduated from the Financial University under the Government of the Russian Federation with the degree Candidate of Economic Sciences in 2005.

[1] In 2011, Zhigarev was elected as a deputy in the State Duma, the lower house of the Federal Assembly of Russia, as a representative for the Shchelkovsky constituency in Moscow.

[2] He was also the chairman of the State Duma Committee on Economic Policy, Industry, Innovative Development and Entrepreneurship.

At the time, he was deputy chairman of the State Duma Committee on Defense.