He worked in the diplomatic service at the Embassy of Ukraine in the USA and Ukrainian state and commercial banks.

The diploma of the record holder was presented to him on Easter Island.

[1][2][3][4][5][6][7][8][9][10][11][12] Traveling through all the countries of the world took 10 years, during which Kostiantyn covered more than 2 million kilometers, making 734 air flights.

[5] Based on the results of his travels, Konstantin wrote the book "Two million kilometers to the dream" (2022).

[13] Kostiantyn Symonenko is registered on the famous international website for travelers Nomad Mania, which maintains a register of people who have visited all countries of the world and were able to confirm this to a special commission.