Bogdan Roussev holds a PhD in Biochemistry. He works as Assistant Professor in the Department of Biochemistry, Molecular Medicine and Nutrigenomics at the Medical University, Varna, Bulgaria. He has a specialty in clinical biochemistry. The topic of his Ph.D. thesis was related to the role of vitamin D and androgens in prostate cancer patients. He is a member of the Health and Care Professions council, UK. Currently, he is involved in different departmental projects in the field of clinical biochemistry and nutrition.