M.D., Ph.D., full professor at Universidade de São Paulo (Rheumatology), responsible for the Antiphospholipid Syndrome Research Laboratory at the Rheumatology Research Laboratory at Faculdade de Medicina da Universidade de São Paulo. Member of the Steering Committee of APS ACTION (AntiPhospholipid Syndrome Alliance For Clinical Trials and International Networking) and responsible for its Core Laboratory in South America.