Jesus & Muhammad as Heart Doctors. Dr Omar Mahmood double-majored in Psychobiology and Arabic and then studied Islamic Sciences in the traditional seminary Dar al-Mustafa, Tareem, Hadhramout. He holds a Ph.D. in Clinical Psychology and is currently a research scientist at the University of California, San Diego. He serves as a national advisor to the Muslim Youth of North America. He promotes the development of Islamic identity in Muslim youth through spirituality, counseling, recreation, and the arts.