Yasser also participated at the 2004 Summer Olympics for his native North African country. Yasser reached the quarterfinals of the 2007 AIBA World Boxing Championships in Chicago, fighting in the Light Heavyweight (81 kg) division. At the 2008 Summer Olympics he was upset by Abdelhafid Benchabla: 6:13.
Yasser won the gold medal in the men"s middleweight division at the 1999 All-Africa Games and went to the Olympics 2000 where he lost his first match 7:8 to of Korea"s Im Jung-Bin. In 2003, he repeated his win at the All-Africa Games in Abuja, Nigeria. There, he was beaten in the quarterfinals of the middleweight (– 75 kg) division by Kazakhstan"s world champion and eventual runner-up Gennady Golovkin. In 2007, he won the All Africa Games as a light heavyweight. After having a bye in the first round, Yasser then defeated Jack Badou of Sweden (PTS 18:9) in the Preliminaries, and PanAm champion Eleider Alvarez of Colombia (KO R4 1:10) in the Round of 16, both of whom also had a bye in the first round before losing to Daugirdas Semiotas on points 9:18.
