A Tunisian chemical engineer with a PhD in Chemical Engineering from the University of Wisconsin-Madison. Has 34 years of professional experience, including 24 years of teaching experience. Specializes in teaching College Physics, General Chemistry, Calculus, and Statistics at the post-baccalaureate and undergraduate levels. Currently a Visiting Assistant Professor at George Washington University, contributing to the Pre-Medicine Program. Also worked as a trainer at 3M Corporation and taught at multiple universities. Certified MCAT instructor and online educator, proficient in curriculum design and laboratory development. Published academic articles and books, with a strong background in both academia and industry.