Tellabs competitors

Thomas R. Stanton joined ADTRAN in 1995 as vice president of marketing for the Carrier Networks (CN) Division. Since that time, he has held a number of senior management positions within the company including senior vice president and general manager of the CN Division. He was named ADTRAN’s chief executive officer in September 2005, and chairman of the board in 2007. Prior to joining ADTRAN, he served as vice president of marketing and engineering at Transcrypt International and held several senior management positions with E. F. Johnson Company. Stanton holds a Bachelor of Science degree in Computer Engineering from Auburn University.

John Stankey assumed the role of CEO in July 2020 after previously serving as president and chief operating officer. With more than $180 billion in 2019 revenues, AT&T is one of the world’s largest companies in technology, media and telecom. It has delivered 36 consecutive years of quarterly dividend growth. And between 2015 and 2019, AT&T invested more than $135 billion in its network, including capital investments and acquisitions of spectrum and operations. Over that same period, the company invested more in the U.S. than any other public company. John’s leadership drives AT&T to deliver on its purpose to create connections with each other, with what people need to thrive in their everyday lives, and with the stories and experiences that matter. AT&T’s market focus is as a broadband provider, a software-based entertainment provider, and a creator of content that drives engagement. The company is undergoing a significant transformation initiative to ensure all the company’s business units are well-positioned for continued success into the next decade and beyond. AT&T Communications is a global leader in communications with nearly 135 million U.S. mobile, broadband and pay-TV customers, as of Q1 2020, and nearly 3 million business customers, from the smallest companies to nearly all the Fortune 1000. WarnerMedia is a leading media and entertainment company that creates and distributes popular content from a diverse array of storytellers and journalists through its industry-leading consumer brands including HBO, HBO Max, Warner Bros., TNT, TBS, truTV, CNN, DC Entertainment, New Line, Cartoon Network, Adult Swim, Turner Classic Movies and others. WarnerMedia also includes Xandr, which is focused on creating a better solution for advertisers and publishers to reach specific audiences at scale in trusted, premium content environments. AT&T Latin America provides pay-TV services across 10 countries and territories in Latin America and the Caribbean and wireless services to consumers and businesses in Mexico. John joined AT&T in 1985 and has 35 years of accomplished leadership spanning nearly every area of AT&T’s business. He has served in a variety of roles including CEO of WarnerMedia; CEO of AT&T Entertainment Group; Chief Strategy Officer; Chief Technology Officer; CEO of AT&T Operations; and CEO of AT&T Business Solutions. John holds a B.B.A. in Finance from Loyola Marymount University and an M.B.A. from UCLA. In addition to serving on AT&T’s board of directors, he serves on the board of directors of UPS.

Gary B. Smith is a British-American executive, currently serving as the Chief Executive Officer of Ciena, an American telecommunications networking multinational.

Arvind Krishna (born 1962) is an Indian-American business executive serving as Chairman and CEO of IBM. He has been the CEO of IBM since April 2020 and took on the role of Chairman & CEO in January 2021. Krishna began his career at IBM in 1990, at IBM's Thomas J. Watson Research Center, and was promoted to Senior Vice President in 2015, managing IBM Cloud & Cognitive Software and IBM Research divisions. He was a principal architect of the acquisition of Red Hat, the largest acquisition in the Company’s history.

Rami Rahim is Chief Executive Officer of Juniper Networks and a member of the company's Board of Directors. Rahim was appointed CEO in November 2014. Rahim began his Juniper career in early 1997, as employee No. 32, and worked as an engineer on Juniper's first breakthrough product, the M40 core router. Rahim has progressed through a series of technical and leadership roles at Juniper, applying his engineering acumen to the design and development of Juniper's industry-leading product portfolio. He most recently served as Executive Vice President and General Manager of the Juniper Development and Innovation (JDI) organization, overseeing the company's entire product and technology portfolio. His responsibilities included driving strategy, development and business growth for routing, switching, security, silicon technology, and the Junos operating system. Other leadership positions held over the years include: Executive Vice President and General Manager of Platform Systems Division for routing and switching, Senior Vice President of the Edge and Aggregation Business Unit (EABU), and Vice President and General Manager of EABU. Rahim earned a Bachelor of Science degree in electrical engineering from the University of Toronto and a Master of Science degree in electrical engineering from Stanford University. He completed an intensive six-week executive program at Stanford University's Graduate School of Business. Rahim holds 17 U.S. Patents in networking technologies and is a member of IEEE.

Greg Brown (born 26 February 1943) is a former Australian rules footballer who played with Essendon in the VFL during the 1960s.

Hans Vestberg (born 23 June 1965) is a Swedish businessman and CEO of Verizon Communications, where he has worked as executive vice president of the company's network and technology team, and as chief technology officer. Vestberg was previously the CEO of telecommunications company Ericsson, president of the Swedish Olympic Committee, and chairman of the Swedish Handball Federation.