Ribbon Communications Inc. announced that Tom Berry has joined the company as Vice President of Investor Relations. He reports directly to Ribbon's Chief Financial Officer, Mick Lopez. In his new role, Berry will be responsible for leading Ribbon's investor relations efforts. Prior to joining Ribbon, Berry served as Director, Capital Markets Investor Relations for CyrusOne. Before joining CyrusOne, he served as Director of Investor Relations for Hewlett Packard Enterprise. He previously worked as an equities trader for Citigroup and for First New York Securities.