John F Cassidy Form 3 PREMIERE GLOBAL SERVICES / JOHN F CASSIDY ownership change

Exhibit 24





CONFIRMING STATEMENT



 This Statement confirms that the undersigned, John F. Cassidy, has authorized and designated Boland T. Jones, Scott Askins Leonard and Monica Richey Casey, signing singly, to execute and file on the undersigned's behalf all Forms 3, 4 and 5 (including any amendments thereto) that the undersigned may be required to file with the U.S. Securities and Exchange Commission as a result of the undersigned's ownership of or transactions in securities of Premiere Global Services, Inc.  The authority of Boland T. Jones, Scott Askins Leonard and Monica Richey Casey under this Statement shall continue until the undersigned is no longer required to file Forms 3, 4 and 5 with regard to his ownership of or transactions in securities of Premiere Global Services, Inc., unless earlier revoked in writing.  The undersigned acknowledges that Boland T. Jones, Scott Askins Leonard and Monica Richey Casey are not assuming any of the undersigned's responsibilities to comply with Section 16 of the Securities Exchange Act of 1934.





Date:   April 30, 2015     /s/John F. Cassidy

       John F. Cassidy