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Investor Relations

We’re fiercely committed to serving our customers—and equally dedicated to delivering value for our investors.

Leadership Team

Bret Griess, President and Chief Executive Officer


Mr. Griess currently serves as our President and CEO. He joined the Company in 1996 and held a variety of positions in Operations and Information Technology, until being appointed Executive Vice President of Operations in February 2009, Chief Operations Officer in March 2011, and President in June 2015. In January 2016, Mr. Griess was appointed President and CEO and a member of our Board. Mr. Griess holds an M.A. degree in Management and a B.S. degree in Management from Bellevue University in Nebraska, and an A.A.S. degree from the Community College of the Air Force.

Rollie Johns, Executive Vice President and Chief Financial Officer


Mr. Johns ​serves as ​CSG’s Executive Vice President and Chief Financial Officer, where he oversees finance, accounting and treasury for the organization. Mr. Johns joined CSG in 2013 as Chief Accounting Officer, and was named to his current position in May 2018. Mr. Johns brings more than 25 years of global finance and accounting expertise to the position. Prior to joining CSG, he was an audit partner at KPMG, serving in many leadership and management roles, including lead audit engagement partner on several large public company engagements in various industries across the globe. Mr. Johns is a member of the AICPA and the Nebraska Society of Certified Public Accountants. He holds a B.S. degree in Accounting from the University of San Diego.

Brian Shepherd, Executive Vice President and Group President


Mr. Shepherd joined CSG in 2016. He was named Executive Vice President and Group President of CSG in October 2017. In this position, he leads the profit and loss organization for the entire global organization. Prior to this role, Mr. Shepherd served as Executive Vice President and President of Global Broadband, Cable and Satellite Business from 2016 to 2017, where he focused on accelerating the growth and strategic direction of CSG’s global broadband, cable and direct broadcast satellite business. Mr. Shepherd is an international business expert with strong management, customer relationship, global sales, strategy and corporate growth experience. In previous executive roles at companies such as TeleTech, Amdocs, DST Innovis, and McKinsey & Company, Mr. Shepherd built a successful history of helping companies drive and achieve their strategic growth initiatives. With more than 15 years in the cable and communications industries, he has built wide and deep relationships with C-Suite leaders, decision-makers and policy influencers who have shaped these industries globally. Mr. Shepherd graduated Magna cum laude in Economics from Wabash College and received a Master of Business Administration degree from Harvard Business School.

Ken Kennedy, Executive Vice President and President, Technology and Product


Mr. Kennedy was named President of Technology and Product in October 2017. In this position, he oversees all product development, product management, platform architecture and operations across CSG’s solutions portfolio. His expertise and vision contribute to new innovations that enable CSG’s clients to have more agile and dynamic operations. Prior to this role, Mr. Kennedy served as CSG’s Executive Vice President of Product Development from 2016 to 2017. Prior to this role, he served as CSG’s Chief Technology Officer and Senior Vice President of Product Management, Development and Operations from 2006 to 2016, managing CSG’s software development organization and implementing technology initiatives for CSG’s product offerings. Prior to CSG, Mr. Kennedy was one of the original founders of Telution where he served as Vice President of Software Development and Professional Services from 1998 to 2006. Prior to Telution, Mr. Kennedy worked at Andersen Consulting where he was responsible for developing highly-scalable distributed software solutions for the manufacturing, financial services, and communications industries. Mr. Kennedy received a Bachelor of Business Administration and Management Information Systems from the University of Notre Dame.

Liz Bauer, Senior Vice President, Chief Communications and Investor Relations Officer


Ms. Bauer directs CSG’s global investor relations, brand, marketing, and corporate communications initiatives. She has almost 20 years of experience with CSG and was instrumental in the early growth of the company. Ms. Bauer has performed as a strategic advisor to the company’s leadership team during key points in CSG’s evolution, including repositioning following an ownership change, executive leadership transitions, multiple integrations following acquisitions and various new product launches. She brings more than two decades of combined business management, investor relations and integrated communications experience, including managing a Midwest-based advertising agency. Ms. Bauer serves on the board of the National Investor Relations Institute. She holds a Bachelor of Business Administration from Creighton University.

Greg Cannon, Senior Vice President, General Counsel and Corporate Secretary


Mr. Cannon leads CSG’s legal, compliance, global health and safety and quality management programs and also serves as the Chief Compliance Officer for the corporation. Mr. Cannon has more than 25 years of experience in leading high performance legal, government affairs and compliance teams. He has a proven track record of handling complex legal issues, working with a variety of customers and suppliers, resolving challenging disputes and managing corporate risk with a high level of integrity. Mr. Cannon joined CSG in 2007 and rose to the role of Vice President, Associate General Counsel and Chief Compliance Officer until accepting his current position in 2016. Prior to joining CSG, Greg worked for a number of large telecommunications and cable companies including MediaOne, AT&T Broadband and Adelphia. Mr. Cannon received a Juris Doctorate from the University of Denver, College of Law, as well as a Bachelor of Science degree in Business Administration from the University of Northern Colorado.

Christine Mellon, Senior Vice President, Chief Human Resources Officer

Ms. Mellon joined CSG in 2016 as the company’s chief human resources officer, tasked to further build the company’s progressive, employee-centric culture. Ms. Mellon has more than 25 years of human resources expertise developed in leadership roles in technology, financial services and pharmaceutical organizations. From 2013 – 2016, she served as vice president of human capital management transformation at Oracle. Prior to that, she led global human resources for Aepona and Echostar as well as gaining operational leadership experience through sales and service delivery early in her career. Ms. Mellon has directed organizational efforts in leadership development, learning, talent management, succession planning, talent acquisition, mergers and acquisitions, engagement, compensation and benefits and change management. Ms. Mellon has a Bachelor of Psychology degree from Villanova University.

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