Dr Rotta is Medical Coördinator at Paulo Gontijo Institute, Director of Clinical Neurophysiology, Neurologist and Neuromuscular Specialist at Moinhos de Vento Hospital. He graduated from Universidade Federal do Rio Grande do Sul (UFRGS) School of Medicine in 1992. He did his Internship in Internal Medicine at Wayne State University/Detroit Medical Center (1992-1993), his Residency in Neurology (1993-1996) and Fellowship in Neuromuscular Diseases (1996-1997) at University of Miami/Jackson Memorial Hospital.  From 2009 to 2011 he was Director at the International Alliance of ALS/MND Associations.