Alexandre R. Marra (Alex Marra) is medical doctor (Infectious Diseases) at Hospital Israelita Albert Einstein, Sao Paulo, Brazil. He is a graduate of Faculdade de Ciencias Medicas de Santos, at Santos, Sao Paulo, Brazil (MD). He completed internal medicine/infectious diseases residency at Universidade Federal de Sao Paulo (UNIFESP/EPM). He completed a master science and doctoral post-graduation, also both at Universidade Federal de Sao Paulo (UNIFESP/EPM). He then completed his post-doctoral in hospital epidemiology at Virginia Commonwealth University (VCU, Richmond, VA) with Dr. Mike Edmond. His areas of research focus on the epidemiology of healthcare-associated infections.