Born at Amizour in Béjaïa Province, Lamamra studied at the École nationale d"administration in Algiers.
Diplomatic training Algerian Embassy, Moscow. Third secretary Ministry Foreign Affairs, Algiers, second secretary, legal and consular department, head, political affairs desk, adviser to the minister foreign affairs, deputy director, the United Nations and disarmament affairs, director press and information department, spokesman, secretary general, 2005—2007. First secretary and counsellor in charge, legal affairs Permanent Mission of Algeria to the United Nations, New York City, Algerian permanent representative to the United Nations.
Ambassador to Portugal Algerian Embassy, Lisbon, ambassador to the United States Washington, 1996, ambassador to Austria, ambassador to Ethiopia Addis Ababa, ambassador to Djibouti. Commissioner peace and security African Union, since 2007. Member Algerian delegate Arab League, Organization Petroleum Exporting Countries, Islamic Conference, Organization of African Unity, Law of the Sea Conferences, Non-Aligned Movement Ministerial Meetings and Summits, United Nations General Assembly, head Algerian delegate, UNLCA and Organization of African Unity Ministerial Conferences.
Algerian permanent representative International Atomic Energy Agency.
Married Aicha Lamamra.