BETAnother veteran top executive at a Viacom cable network is leaving the company. After a career at BET spanning three decades, Debra Lee is stepping down from her position as Chairman and Chief Executive Officer of BET Networks, effective Monday, May 28, 2018. Lee, who began her career with the company as its first VP and General Counsel in 1986, was elevated to President and COO in 1996 and became Chairman and CEO in 2005. Read more in Deadline.