Dr. Ostrosky-Zeichner obtained his medical degree from Universidad Nacional Autonoma de Mexico. He completed his internal medicine residency at Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran, and his infectious diseases fellowship at the University of Texas Medical School at Houston and MD Anderson Cancer Center combined fellowship program. He has advanced training and experience in medical mycology and hospital epidemiology.

He is currently a professor of medicine and epidemiology, and the director of the Laboratory of Mycology Research, at the Division of Infectious Diseases of the University of Texas Medical School at Houston. He also serves as the associate fellowship program director and medical director for epidemiology for Memorial Hermann Texas Medical Center. He is a fellow of the American College of Physicians, the Infectious Diseases Society of America, and the Society of Healthcare Epidemiology of America. He is an editor for Journal of Antimicrobial Chemotherapy and an editorial board member of Antimicrobial Agents and Chemotherapy, Critical Care Medicine, and Journal of Clinical Microbiology.

Dr. Ostrosky-Zeichner has published over 100 peer-reviewed articles and actively pursues translational and clinical research in medical mycology and hospital epidemiology. His areas of expertise include: antifungal susceptibility testing, fungal serologies, PK/PD 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.


Medical Degree
Facultad de Medicina, Universidad Nacional Autonoma de México, México
Instituto Nacional de la Nutrición Salvador Zubirán/ Universidad Nacional Autonoma de Mexico, Mexico
University of Texas- Houston Medical School
M.D. Anderson Cancer Center, Houston, Texas

Board Certifications

  • Mexican Board of Internal Medicine