Cláudio Hummes, OFM (born 8 August, 1934) is a Brazilian Cardinal of the Roman Catholic Church. He currently serves as Prefect of the Congregation for the Clergy in the Roman Curia, having previously served as Archbishop of Fortaleza from 1996 to 1998 and Archbishop of São Paulo from 1998 to 2006. A member of the Order of Friars Minor and an outspoken proponent of social justice, he was elevated to the cardinalate in the consistory of February 21, 2001.