Demchenko Nikolay Petrovich was born on May, 1, 1959 in the Kharkov Region. He was brought up and studied at the boarding school of the city of Simferopol graduated from it with a medal.

After he has graduated from the Crimean Agricultural Institute and postgraduate study worked as a main agriculturist. Then he worked as a director of the state farm, a general director of the research-and-production association, the first secretary of the district committee of party, a director of Union institute of the essential oil plants. Now he works as a president of Open Company "Krymkhleb".

He was selected as a deputy of the Verkhovnaya Rada of Crimea. Demchenko Nikolay Petrovich is Dr.Sc. (Biology), professor, academician. He has awards and medals foe his activity.