In 1979, Oumlil co-founded the Moroccan Association for Human Rights (AMDH) in Rabat, which he chaired until 1985. Oumlil went on to co-found the Moroccan Human Rights Organization (OMDH)[2] in 1988 and served as its chairman from 1990 to 1993. He was also a co-founder and board member of the executive committee of the Arab Human Rights Institute in Tunis from 1986 to 1994.