
Born on May 29, 1971 in Kharkiv. In 1985, he graduated from eight grades of secondary school No. 80 in Kharkiv. After eight years of schooling, he entered Kharkiv Vocational School No. 35, which he graduated in 1989, receiving a diploma as an electric welder.
During 1989-1992 he served in the Khabarovsk Territory, Russia. After being released to the reserve, he worked by profession at Kharkov factories. Since 2010, he has lived with his family in the village of Kamyana Yaruga.

During 2015-2021, he served under contract in the 14th Separate Mechanized Brigade named after Prince Roman the Great. He participated in the ATO/JFO and military operations in the Donetsk and Luhansk regions. For his heroism shown in battles and defending the independence and territorial integrity of the state, in 2017 he was awarded the "Knight's Cross of the Mazep Family".
In February 2021, he resigned due to family circumstances, so since April 2021 he has been living in the village of Chkalove, Nikopol district, Dnipropetrovsk region, working as a tractor driver at AGROPROM. IMPEX LLC.

With the beginning of military aggression, he enlisted in the Nikopol Self-Defense Force on February 26, 2022. Since March 2022, he has been serving in the 93rd Brigade. Near Volnovakha, where fierce fighting was taking place at that time, their brigade was surrounded, and he did not have time to get out of the ring.

After a long stay in enemy-occupied territory, he was able to reach the positions of the 53rd Separate Mechanized Brigade named after Prince Vladimir Monomakh, where he continued to defend the Motherland as the commander of the 1st commandant's department of the commandant's platoon of the 53rd Separate Mechanized Brigade named after Prince Vladimir Monomakh.

Family composition:
Mother: Zoya Kharitonivna Grinchenko, lives in the village of Kamyana Yaruga.
Sister: Olga Anatolyivna Grinchenko, lives in the village of Kamyana Yaruga.
Daughter: Grinchenko Elizaveta Kostyantynivna, born in 2011, lives in the village of Kamyana Yaruga.
Daughter: Olga Kostyantynivna Grinchenko, born in 1992, lives outside the village of Kamyana Yaruga.
Granddaughter: Emma Romanivna Grinchenko, born on August 19, 2022.
Circumstances of death:
On 10/10/2022, while performing another task, his heart simply stopped. They could not save him. He died as a result of a myocardial infarction during the redeployment of the unit from the settlement of Ruska Polyana to the Donetsk region.

Buried on October 17, 2022 in the cemetery in the village of Kamyana Yaruga.
