Mas is the chairman of
MasTec (NYSE:MTZ), a company founded by his father. He began his career at Church and Tower, MasTec's predecessor, in 1984. In 2005, it was sold for a reported $510 million. He has been on over a dozen corporate boards and has lectured on topics relating to entrepreneurship, corporate strategy and how to develop and motivate leadership teams. ==Cuban American National Foundation==