Asad is nicknamed el Turco (in English: "the Turk") because he has Syrian and Lebanese ethnicity. In Argentina, Arabs are usually mistakenly called Turks since they came to the country with Ottoman Turkish documents in the 1900s.
On 2 January 2010 Godoy Cruz hired Asad as coach to replace Enzo Trossero. The former forward only had coaching experience with Vélez' youth divisions and reserve team. During his first season with Godoy Cruz (2010 Clausura), Asad led the team to a surprising 3rd place finish; and led them to a 5th place the following championship (2010 Apertura). Due to the good league finishes, Godoy Cruz qualified for the 2011 Copa Libertadores; however, the coach did not renew his contract with the team, citing economical reasons.
On December 23, 2010, Ecuadorian team Emelec confirmed the signing of Omar Asad to manahadthe team for the 2011 season.
On June 10, 2013 he was presented as the new coach for Mexican side Atlas. Asad had pressure on him due to the fact that former coach Tomas Boy took the team to the liguilla with a total of 32 points which gave Atlas an advantage in the relegation fight. Asad team debuted in a 3-3 draw against Club Tijuana , coming back from a 3-1 partial lost , with 2 goals from Vicente Matías Vuoso and Edson Rivera scored the equalizer. After 13 games Asad was fired in Atlas defeat 1-2 against Cruz Azul. In 13 games Asad only managed 0 wins 8 draws and 5 losses. His worst results with Atlas were both in away games a 3-0 defeat against Club America and another 3-0 defeat against Chiapas F.C.