 Assefa Mezgebu akaberekwa musi wa19 Chikumi 1978 muSidamo mutambi wemuEthiopia akarega basa, anozivikanwa nekuhwina menduru yebronze mumakwikwi emamita zviuru gumi mumitambo yeOlympic yegore ra2000. Akanga ariwo mumhanyi wechipiri pa2001 World Championships muAthletics, zvichitevera menduru yebronze pa1999 World Championships muAthletics. Akakwikwidzawo mumakwikwi ekumhanya-mhanya uye akasvika pachigaro chepamusoro paIAAF World Cross Country Championships muna 1998 na2000. 