AT&T President Betsy Bernard is leaving the company to pursue other career options and will be replaced, effective immediately, with William Hannigan, who had been serving as chairman and CEO of travel industry services company Sabre Holdings, AT&T announced Tuesday.AT&T President Betsy Bernard is leaving the company to pursue other career options and will be replaced, effective immediately, with William Hannigan, who had been serving as chairman and CEO of travel industry services company Sabre Holdings, AT&T announced Tuesday.Bernard spent nearly two decades working in various positions at AT&T before leaving the company for several years in the late 1990s. She rejoined in 2001 as head of AT&T’s consumer services unit, and was promoted in late 2002 as the company underwent a series of organizational changes, including the sale of AT&T Broadband and the appointment of a new chairman and CEO, David Dorman.Bernard, 48, hasn’t yet decided what her next position will be, but she is looking to move up the executive ladder, AT&T spokesman Jim Byrnes said. “She has aspirations to run her own business as a CEO,” he said.Hannigan will assume Bernard’s responsibilities for running AT&T Business, the Bedminster, N.J.-based company’s largest unit. In 2002 AT&T Business had revenue of $26.6 billion, down 4% from the previous year. Before joining Sabre Holdings in 1999, Hannigan, 44, worked for more than a decade in the telecommunication industry, holding executive positions at SBC Communications, Pacific Bell and Sprint. Related content news Nvidia races to fulfill AI demand with its first Vietnam semiconductor hub Vietnam has been a growing tech manufacturing destination for the past few years, and Nvidia said it is open to a new manufacturing partner in Vietnam. By Sam Reynolds Dec 11, 2023 3 mins CPUs and Processors Technology Industry how-to Doing tricks on the Linux command line Linux tricks can make even the more complicated Linux commands easier, more fun and more rewarding. By Sandra Henry-Stocker Dec 08, 2023 5 mins Linux news TSMC bets on AI chips for revival of growth in semiconductor demand Executives at the chip manufacturer are still optimistic about the revenue potential of AI, as Nvidia and its partners say new GPUs have a lead time of up to 52 weeks. By Sam Reynolds Dec 08, 2023 3 mins CPUs and Processors Technology Industry news End of road for VMware’s end-user computing and security units: Broadcom Broadcom is refocusing VMWare on creating private and hybrid cloud environments for large enterprises and divesting its non-core assets. By Sam Reynolds Dec 08, 2023 3 mins Mergers and Acquisitions Podcasts Videos Resources Events NEWSLETTERS Newsletter Promo Module Test Description for newsletter promo module. Please enter a valid email address Subscribe