Meet your instructor

Sydnie Williams

Created by Sydnie Williams, PharmD, a U.S.-licensed hospital pharmacist, Mainstop Masterprep was designed to help aspiring and current pharmacy technicians master the knowledge, confidence, and professionalism needed to thrive in today’s pharmacy environment. Whether you’re preparing for the PTCB exam or strengthening your foundational skills, this program gives you clear instruction, practical insight, and real-world application.