Dr. Borenstein is Senior Associate Dean for Operations at the School of Pharmacy and Associate Professor of Medicinal Chemistry. He formally served as Chair of the Department of Pharmaceutical Sciences. He serves as Director of the Office of Continuing Professional Education and Director of the Admissions Committee. He is a Registered Pharmacist licensed to practice in Pennsylvania. His current teaching responsibilities include Biochemistry and Medicinal Chemistry. Past courses taught include Pharmaceutical Analysis, Practical Chromatography and Pharmaceutics. He is currently an Associate Editor of the journal Bioanalysis.  

His research interests includes the development of analytical techniques to investigate drug disposition in various biologic matrices.