Dr. Alfarouk is an expert in Pharmacology, pH regulation, tumor Metabolism, and Evolutionary Oncology. His work has resulted in a series of invited reviews. Although Dr. Alfarouk could be considered a young investigator, he published more than 60 articles (reviews, research articles, book chapters, etc.). Dr. Alfarouk is an associate member of the American Association for Cancer Research (AACR) and an active member of the American Society for Pharmacology and Experimental Therapeutics (ASPET). Recently his group has provided: (i) Exploratory biochemical pathways of tumor metabolism, (ii) Designed concrete framework to study the cancer chemo-resistance, (iii) Deigned a framework that explains the tumor heterogeneity, (iv) Impact of the gut microbiome on human health, and (v) COVID-19 -host interactions.