CORAL GABLES, Fla.–(BUSINESS WIRE)–MasTec, Inc. (NYSE: MTZ) today announced that Mr. Alex Spiro has joined MasTec’s Board of Directors as a Class III Director.Mr. Spiro has spent more than a decade advising Fortune 500 companies and their chief executives on high-priority matters, including regulatory investigations, corporate governance, securities issues, complex litigation and strategic business transactions.Beyond his legal practice, Mr. Spiro is an active investor, advisor and public comp