| 1982 | He writes a book on "The synthesis of laser-satellite telemetry" |
| 1986 | He joined the Center for Research in Astronomy, Astrophysics and Geophysics CRAAG |
| 1986 | He directed a project entitled "The exploitation of photographic plates in the Algiers area" |
| 1997 | He was a member of the New York Academy of Social Sciences |
| 2000 | He publishes on his own account the following books: Astro ecology science of time and Ilm el mikat and the world clock |
| 2001 | He is a teacher-researcher in aeronautics at the University of Blida |
| 2002 | He is project manager, "Realization of a universal clock with GPS" |
| 2003 | he became a member of the Scientific Council at the Ministry of the Environment and Regional Planning |
| 2004 | he published his first theory |
| 2020 | Discovering a medicament for "Colonna-Virus" with a team of Iraqi and Algerian research, and we are awaiting the official announcement |