Sant’Iago is working with interactive media in Brazil since 1996 and has given lectures in Argentina, Brazil, China, Hong Kong, Lebanon, Mexico, United Arab Emirates and USA about interactive media. President of Interactive Advertising Bureau - Brazil (www.iabbrasil.org.br) from 2002 to 2006 and now is member of the Advisory Board.
Marcelo is also Co-Chairman of SEMPO's Latino Working Group. He blogs about interactive media and search engine marketing (http://www.poucas-e-boas.com), Meio Digital Magazine and has articles and interviews published in Brazil and abroad.
Currently Marcelo holds the title of Director, Business Development at MídiaClick (www.midiaclick.com.br), the first performance based marketing agency in Brazil.