On September 6, 2022, CSG Systems International, Inc. (“CSG”) announced that it had appointed Rachel A. Barger as a new member of CSG's Board of Directors (the “Board”), effective August 30, 2022. The By-Laws of CSG Systems International, Inc. provide for its Board to be divided into three classes, each having a three-year term. Ms. Barger will be a member of the Class II directors, with a term of office to continue until CSG's next annual meeting of stockholders, currently anticipated to be held in May 2023.

Ms. Barger will also serve on the Sustainability, Social Responsibility, and Governance Committee. Ms. Barger has been at Cisco Systems, Inc. since October 2020, and in May of 2022 was named Senior Vice President, Americas Sales responsible for overseeing the largest of the company's three sales geographies with over 5,000 employees across 17 countries. She served as a President and Managing Director Southeast Asia, Chief Operating Officer APJ, and Regional VP of Sales at SAP from 2016 through 2020.

Prior to these roles, Ms. Barger was a General Manager for the EMEA Region and a Vice President of Global Strategic Accounts at Lithium Technologies. She also held various senior positions for SAP Ariba from 2004–2013. Ms. Barger holds an M.B.A. from the Australian Graduate School of Management (UNSW) and a B.S. in chemical engineering from the University of Delaware.

She is also a member of the Exceptional Women Foundation (EWA) and the acting Chief on the Advisory Board for the Singapore Management University School of Computing and Information Systems.