He is a former Vice-Rector for Research and Creation at UQAM and holder of the UQAT-UQAM Mining Entrepreneurship Chair.
He has published over 100 research papers[3] and has contributed to the discovery of copper deposits in Oman and gold in Mauritania.
[8] Jébrak completed his master's in geology from Pierre and Marie Curie University, Paris, in 1975.
He then moved from France to Canada and joined UQAM’s Department of Earth and Atmospheric Sciences as Professor of Geology.
Jébrak was elected as Vice-Rector for Research and Creation at UQAM from 2004 to 2008 and was the holder of Chair in Mining Entrepreneurship at UQAT-UQAM from 2010 till 2018.
[6] Jébrak has conducted research focusing on mining exploration and engineering, geopolitics of mineral resources geology and Earth Science along with social innovations and transformations.
Jébrak has conducted significant research on the exploration of base and precious metals and the evaluation of mineral potential.
He proposed that in the core, it has gigantic breccia related to karst dissolution, which is surrounded by hydrothermal fluids.
His research indicated a simultaneous activity of massive sulfide formation at Perseverance and tuffaceous sedimentation on the seabed.
His proposed model, which applies to Quebec, is based on analytical explanations of major determinants of conflicts.