A former AT&T Inc. executive was hired to lead San Antonio-based technology company Genesis Networks Enterprise LLC as its new CEO. Randy Tomlin, who began working for AT&T (NYSE: T) in the early 1980s, left the company in 2016, according to his LinkedIn profile. Tomlin was hired as an executive consultant with Genesis that same year. Now, he is stepping up as the company's top operations leader. Tomlin was the senior vice president of U-verse field operations and was responsible for all internet...