Dr Sam Megalli has over 25 years of pharmaceutical experience in many areas including clinical, management, academia and medical research. He is a senior pharmaceutical executive and during his career he has led numerous successful roles in retail pharmacy, teaching institutions, aged care and pharmaceutical industry.

In 1994, Dr Megalli graduated from the University of Sydney, Faculty of Pharmacy with Honours degree. He undertook further studies and medical research and completed his PhD in 2004 also from the University of Sydney. Dr Megalli has worked with world-renowned professors and was involved in medical research in various fields including Asthma, hyperlipidaemia, diabetes, atherosclerosis, pharmacology and herbal medicine. This has involved animal, in vitro and enzyme assay studies and led to many scientific publications.

Dr Megalli was also employed as an academic at the University of Sydney, Faculty of Pharmacy as a Lecturer and Course Coordinator in the area of Pharmacotherapeutics teaching 4th-year pharmacy students as well as the Master of Pharmacy course. 

For over 20 years, Dr Megalli has also managed and owned many community pharmacies and worked as a consultant pharmacist conducting numerous medication reviews for community patients as well as aged care residents. Furthermore, he has been providing consultant work for many aged care facilities since 2000 and sits on several Medical Advisory Committees.

In 2018, Dr Megalli established Selima Pharmaceuticals and founded the brand Ultra Nature formulating many unique products. These products have been distributed locally and internationally in countries such as Vietnam, Cambodia and China.