Nikolay Dudov was born on 1 January 1952 in the town of Severo-Zadonsk (now part of Donskoy, Tula Oblast).

In 1970-1972 he served in the Soviet Army, reaching the rank of senior sergeant.

There he worked as a senior electrician on duty, and then as a shift supervisor at the Chukotka CHPP.

Since 1982 — instructor, then head of the organizational department of the Communist Party local branch.

[2] In February 2008 Dudov was appointed for a new term by Magadan Oblast Duma.