Sias Hamman obtained the BPharm, MSc (Pharmaceutics) and PhD (Pharmaceutics) degrees from North-West University and is currently a Professor in Pharmaceutics at the School of Pharmacy at North-West University, South Africa. His research interests include nose-to-brain drug delivery, in vitro and ex vivo models to assess intranasal drug delivery, functional excipients, beneficial herb-drug interactions and biopharmaceutical aspects of natural compounds.

I, Sandra van Dyk obtained my BPharm, MSc and PhD degrees from the North-West University (previously the Potchefstroomse Universiteit vir Christelike Hoër Onderwys) and I am currently employed as the Director of the School of Pharmacy Faculty of Health Sciences as an Associate Professor