Michael McKenzie, deputy chief of FCC Wireless Bureau, leaving...

Michael McKenzie, deputy chief of FCC Wireless Bureau, leaving at end of July … Jennifer Manner, ex-Public Safety Bureau, moves to deputy chief Office of Engineering and Technology … Cox Media Group Orlando Vice President and General Manager Debbie Morel retiring later this summer … Xand Holdings data center and cloud services provider hires Keith Markley, ex-LAI Holdings, as chief operating officer.