- Principal Investigator and Director of the Consortium for Nuclear Security Advanced Manufacturing enhanced by Machine Learning (NSAM-ML)
- Member of the Graduate School, College of Engineering, North Carolina State University
- Researcher Leader, Office of the Vice Chancellor for Research, Fayetteville State University
- Director of Photovoltaic Nanomaterials and Nanotechnology Lab., Shaw University
- Associate Director of Nanoscience and Nanotechnology Research and Education Initiative, Shaw University
- Coordinator of Physics Program, Shaw University
- Government Advisor for Renewable Energy Policies; Developed the first Five-Year plan for Rural Photovoltaic Electrification (Ministry of Economy, AME), Member of the National Committee for Strategic Technologies (STEG)...
- Head of Department of Physics and Renewable Energy, National Institute for Research and Technology (Institut National de Recherche Scientifique et Technique-- INRST / Technopole Borj-Cedria, Tunisia)
- Head of Research Group “Crystalline Defects and Impurities in Polycrystalline Silicon Wafers and Silicon Solar Cell Processing and Characterization”, INRST
- Lead Scientist for the R&D project "Fabrication Processes of Crystalline Silicon Solar Cells and Modules for a 100kWp/year Pilot Production”, INRST.