- Former Attorney for the City of São Paulo.
- Former Assistant Attorney of the Tax Legal Department.
- Former Head of Legal Advisory.
- Former Chief of Staff and Municipal Secretary of the Department of Services and Works – SSO of the City Hall of São Paulo.
- Former Legal Advisor to the Municipal Government Secretariat of the City Hall of São Paulo.
- Former Municipal Secretary of Services and Works of the City Hall of São Paulo.
- Instructor in Bidding Procedure, Contracts and Management Courses promoted by the Department of Services and Works and the Municipal Administration Department of the City Hall of São Paulo.
- Former Instructor in Bidding and Administrative Contracts Courses promoted by the Center for Legal Studies – CEJUR of the Legal Affairs Department of the City Hall of São Paulo.
- Participant as a thesisist in the XII National Meeting of Municipal Attorneys promoted by the Brazilian Institute of Municipal Law – IBDM, with two theses approved unanimously in a Plenary Session, Maceió-Alagoas.
- Participation in the XXXVII Brasília/Miami Program of Politics, Public Administration, Education and Health as Distinguished Visitor, representing the Municipality of São Paulo, at the invitation of the Board of Miami Dade County. 1998.
- Participation in the Lisbon-São Paulo Public Law Meeting, at the invitation of the Catholic University of Lisbon – Portugal – April 2013.