Associate Director and Head of Clinical Oncology at Real e Benemérita Associação Portuguesa de Beneficência / SP- Hospital São José, and Preceptor of Medical Residency in Clinical Oncology. He is a Managing Member of the Oncology Center at Hospital Albert Einstein. Head of the Oncology Department at Hospital Santa Lucia, in Brasília. He has been a member of the Executive Committee of the Latin American Cooperative Oncology Group since 2008, and a Fellow at the Memorial Sloan Kettering Cancer Center, since 1997. Volunteer Professor at the Faculty of Medical Sciences of Santa Casa de São Paulo