Timothy J. Santo serves as Senior Vice President, Chief Financial Officer, and Treasurer of ADTRAN Holdings, Inc., a leading provider of networking and communications solutions. In this pivotal role, he oversees all aspects of the company's global financial operations, including strategic planning, treasury management, investor relations, and risk mitigation. Santo plays a key role in driving ADTRAN's financial strategy amid rapid industry transformation, ensuring sustainable growth and operational efficiency following the company's 2022 merger with ADTRAN, Inc. His leadership has been instrumental in optimizing capital allocation and enhancing shareholder value in a competitive telecommunications landscape. With over 25 years of experience in finance and operations within the technology and telecommunications sectors, Santo brings a proven track record of delivering results in dynamic environments. Prior to joining ADTRAN in 2021, he held senior finance positions at ARRIS International plc (now part of CommScope), where he served as Senior Vice President of Finance, leading financial planning and analysis during key acquisitions and integrations that boosted EBITDA margins by more than 20%. Earlier in his career, Santo advanced through progressively responsible roles at Motorola Solutions and Big Four accounting firms, honing expertise in mergers and acquisitions, cost optimization, and international finance. Santo's achievements include spearheading multiple multi-billion-dollar transactions and earning recognition for his contributions to corporate governance, including board service on industry associations. A Certified Public Accountant (CPA) and holder of an MBA from the University of Chicago Booth School of Business, he is committed to fostering innovation and long-term value creation at ADTRAN, positioning the company for continued leadership in open networking and cloud-native solutions.