Petrov has Bachelor’s and Master’s degrees in volleyball coaching and physical education from the National Sports Academy “Vasil Levski”- Sofia. He have also second bachelor’s degree for Puerto Rico, Management and Journalism from the Sofia University.
At the same time he was coach of Junior"s national team of Bulgaria for 7 years. He was the basis of the growth of the best volleyball generation of Bulgaria in recent 15 years. In the period 2010-2014 he was coach of the best teams in Romania (Dinamo Romprest, Central Saint Martins Bucharest, Christlich Soziale Union (Christian Social Union) Targu Mures) and coach of Romanian woman"s national team
Petrov coached from 2001 until 2003 the CSKA Junior women's team
In 2003, Petrov was promoted to coach of CSKA Sofia women's team Follow 5 titles in Bulgarian championships, 3 national cups and first positions in many tournaments.
Between 2003 and 2010, he served as the vice coach and later as the head coach of the Bulgarian junior"s national volleyball team In the season 2011-2012 he is a head coach of Central Saint Martins Bucharest.
From last position in championship 2010/2011, Petrov promode the team to the top 4 on season 2011/2012.
From 2012 to 2013 he is appointed for head coach of Romanian women"s national team From 2012 to 2014 Atanas Petrov is a coach of Christlich Soziale Union (Christian Social Union) Targu Mures. In 2014 the team qlasificate in top 4 in Romanian championship for first time in his history.
In the season 2014/2015 is coach of Greek team AON Pannaxiakos, Naxos.
From 2014 Petrov is a head coach of Manitoba"s national team of Bulgaria U21.
1 "Coach of the Year" of National Sport Association: 2005 5 times Champion of Bulgaria with CSKA volleyball women's team: 2004, 2005, 2007, 2008, 2010 3 times Winner of Bulgarian National Cup with CSKA volleyball women's team: 2004, 2008, 2010 3 times Champion of Bulgaria with CSKA junior women's team: 2001, 2002, 2003 1 Bronze of Romania with CS Dinamo București Romprest volleyball team: 2011 1 Silver of Balkan Games with Bulgarian volleyball national team: 2008 1 Silver of Black Sea Games with Bulgarian volleyball national team: 2007 1 Bronze of Greece with Pannaxiakos AON volleyball team: 2015.
