Ribbon Communications Inc. announced the appointment of Scott Mair, former President, AT&T Networks Engineering and Operations, to its Board of Directors. Mr. Mair's accomplishments during his over 37-year career at AT&T include launching the first standards-based mobile 5G network and building and operating the U.S. Public Safety's first dedicated, nationwide communications platform for America's police, firefighters, EMS and first responders. He is a member of the Board at American Transmission Company (ATC) and holds a Bachelor's Degree in Communications and a Master's Degree in Industrial Technology from the University of Wisconsin – Platteville.

Mr. Mair's appointment brings the size of Ribbon's Board to nine members, six of which are independent. Mr. Mair will serve on the Audit and Technology and Innovation Committees of the Board and has been appointed as a designee of the JPMorgan Chase & Co. stockholders under the First Amended and Restated Stockholders Agreement.