E. James Essien is currently working as Professor of Pharmaceutical Health Outcomes and Policy and Director of Institute of Community Health, in the College of Pharmacy, University of Houston, USA. He has completed his M.D., in Medicine and Surgery from University of Calabar College of Medicine, Calabar, Nigeria in 1985 and MPH from University of Texas School of Public Health, Houston, Texas, USA in 1990. Later in 1994, he has received his Ph.D from University of Texas School of Public Health, Houston, Texas, USA. Dr. Essien has published numerous papers in reputed journals and has participated in several international conferences. Dr. Essien is serving as editor and reviewer for many international journals.