Mykola Gavrylenko was born on October 25, 1953 in Kyiv.
He graduated from the Accounting in Trade Faculty of Kyiv Trade and Economy Institute in 1979.
From 1979 to 1989 Mykola Gavrylenko worked as Chief Accountant «Ukroptkhoztorg» at the Ministry of Trade of the Ukrainian SSR in Kyiv.
1989 to 1991 – Head of the Economic Department – Chief Accountant of the Ukrainian SSR CCI.
From 1991 – Head of the Economic Department – Chief Accountant of the UCCI.
2010 to 2012 – Vice-President, Head of the Economic Department of the UCCI.
From 2013 to present – Vice-President of the UCCI.