Dr. Ostrosky-Zeichner obtained his medical degree from Universidad Nacional Autonoma de Mexico. He did his internal medicine residency at Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran, and his infectious diseases fellowship at the University of Texas- Houston Medical School and M.D. Anderson Cancer Center combined fellowship program. He has advanced training and experience in medical mycology and hospital epidemiology.
He is currently an assistant professor of medicine and epidemiology at the Division of Infectious Diseases of the University of Texas - Houston Medical School, where he also serves as the associate fellowship program director and medical director for epidemiology for Memorial Hermann Hospital. He is a fellow of the American College of Physicians and he actively pursues translational and clinical research in medical mycology and hospital epidemiology, having over 90 publications in both fields. His areas of expertise include: antifungal susceptibility testing, fungal serologies, pharmacokinetics/pharmacodynamics of antifungals, in vivo models of human mycoses, immunology, and clinical trials in prophylaxis and treatment of fungal infections, as well as hospital epidemiology and infection control.