Marcelo was born in Londrina, he graduated in Medicine at State University of Londrina – UEL, and he specialized in Orthopedics and Traumatology at the University Hospital – HU. Then he completed a postgraduate degree in Health Audit and Management at Gama Filho University. He is a public servant, worked as a Doctor at the SAMU – Mobile Emergency Care Service (ambulance), and also at the INSS – National Social Security Institute, being admitted to a public examination in both. He is also a Lawyer, graduated in Law at State University of Londrina – UEL. He was elected the most voted Councilor in Londrina, in the elections of the years 2004 and 2008. In both terms he presented more than 500 Bills in the most diverse areas. During this period, he continued working normally as a doctor for half of the day. In 2014, he was elected federal deputy with 137.817 votes. In the Chamber of Deputies he served as a member of the Social Security and Family Committee (Health area), and the Consumer Protection Committee, as well as specific subcommittees in the area of Health and Education.