Answer
Oleksandr Valentynovych Turchynov is the full name of Oleksandr Turchynov. He is a Ukrainian politician, who served as the fourth and fifth Chairman of the Verkhovna Rada of Ukraine from 2006 to 2007 and again from 2014 to 2016. He was also the acting President of Ukraine from February 22, 2014 to June 7, 2014.