Dr A. Mohathasim Billah, presently working as Professor and Head, Department of Pharmacy Practice, who completed his graduation, post-graduation and doctorate from the prestigious Annamalai University, has wide experience in the field of Pharmacy Practice and Pharmaceutical Care for the past 20 years with international exposure to the relevant area of expertise. He is a registered pharmacist in India and the UAE, where he worked for a decade as a pharmacist and then as a clinical pharmacist. He has memberships at several prestigious professional bodies such as the Royal Pharmaceutical Society (RPS) of Great Britain, Commonwealth Pharmaceutical Association (CPA), Association of Pharmacy Teachers of India (APTI) and Indian Pharmaceutical Association (IPA). The research and experience have been reflected in several publications with Scopus indexing, impact factor journals, conferences and guest lectures. In addition, the author has been placed as convener, chairperson in several committees of the academic activities, and expert advisory board member at medical networking and clinical pharmacy service establishment at hospitals. Expert level teacher and trainer for preparing HAAD, DHA and MOH exams for middle east countries, have experience in guiding several students to clear the exams and helped for placement at reputed companies.