Helena B. Nader is Professor Emeritus at the Escola Paulista de Medicina of the Federal University of São Paulo (Unifesp). Her research field is molecular and cell biology of glycoconjugates. Dr Nader serves as president of the Brazilian Academy of Sciences (ABC), co-chair of the IANAS (Inter-American Network of Academies of Sciences), Governing Board member of the International Science Council (ISC), vice-president for the Latin America and the Caribbean of The World Academy of Sciences (TWAS), member of the Advisory Committee of the InterAcademy Partnership (IAP), and Vice-President of the Alliance of National and International Science Organizations (ANSO). She is member of the ABC, The World Academy of Sciences (TWAS), and the Latin America Academy of Sciencies (ACAL). Former president of the Brazilian Society of Biochemistry and Molecular Biology (SBBq, 2007-2008), she is also honorary president, former vice-president (2007-2011) and former president (2011-2017) of the Brazilian Society for the Advancement of Sciences (SBPC).