Full Professor of the Discipline of Clinical Ophthalmology, Faculty of Medicine, USP 2009 until now
 President of the World Glaucoma Association 2009-2010 (USA)
 President of the Pan American Glaucoma Society 2012-2014
 President and founder of the Latin American Society of Glaucoma 2004-2012
 President of the Brazilian Society of Glaucoma 1989-1991
 Member of the Executive Board of the World Glaucoma Society (USA)
 Member of the International Council of the Association of Researchers in Ophthalmology and Vision - ARVO(USA)
Founding member and board of directors of the Glaucoma Research Society (USA)