Petru is a multiple times national champion of Romania and Ukraine. From 2000 to 2008, he was part of the Romanian national team as a freestyle wrestler. He won the title of World Military Champion in 2006 and participated in the Olympic Games of Beijing (2008).
He is now a coach at the club Steaua Bucuresti. Best results with the women’s national team: Senior European Championships (2018, 2nd, 3rd), U23 (3× 3rd, 2× 5th), World Nations Cup 2018, World Championships 2017 (2nd place).
He was named Emeritus Coach and Master of Sports of Romania and Master of Sport of Ukraine, International class.
Petru studied at the faculty of Physical Education and Sport of the South Ukrainian K.D.Ushynsky National Pedagogical University, Odessa (Ukraine).