I am a jounalist. I specialized in environment. I work at C5N, main news channel of Argentina. I was trained by Al Gore, Nobel Peace Price. I founded R21 with Charly Alberti, drummer of Soda Stereo, best known Spanish Speaking rock band in history. The Foundation aim to raise awareness about the global environmental crisis. We define ourselves as massive communicators since we give conferences to thousands of people at a time.Contact a speaker booking agent to check availability on Mariana Diaz and other top speakers and celebrities.