Hill + Knowlton forms new Intelligence + Technology business unit under leadership of Chief Technology Officer Grant Toups, and names Allison Spray global head-Intel + Tech innovation, in addition to her continuing research and data intelligence role in the U.K., and Elliott Gauthier global head-Intel + Tech products and services, in addition to his continuing research and data intelligence role in Canada ... Charter Communications announces that Tom Rutledge will move to board member emeritus when his previously announced retirement as executive chairman takes effect Nov. 30; Charter board also appoints President-CEO Chris Winfrey to the seat that Rutledge will vacate, and names lead independent director Eric Zinterhofer nonexecutive chairman, both also effective Nov. 30.

Liberty Media announces retirement of Albert Rosenthaler as chief corporate development officer, effective Jan. 1, when he will become a senior adviser ... American Tower announces that Tom Bartlett will retire as president-CEO and from the board, effective Feb. 1, and promotes Steve Vondran to succeed him in those roles, also effective Feb. 1, also naming him executive vice president-global chief operating officer for the interim period beginning Wednesday through Feb. 1; Eugene Noel to replace Vondran as American Tower’s executive vice president and president of its U.S. Tower Division, also beginning Wednesday.