IRVING, TX—Ken Cohen, vice president, public and government affairs, at Exxon Mobil Corporation will retire at the end of the year after more than 38 years of service. It is anticipated that the board of directors will elect Suzanne McCarron as his successor. McCarron is currently general manager, public and government affairs, and president, ExxonMobil Foundation. McCarron joined Mobil Canada as public affairs manager in 1998 and has held several positions in public and government affairs.

COVINGTON, KY—Chemical company Ashland has hired Gregory Elliott as vice president and chief human resources and communications officer, reporting to William Wulfsohn, Ashland chairman and chief executive officer. Elliott is responsible for the global management of all aspects of human resources, including talent management and development, compensation and benefits, and labor and employee relations as well as global corporate communications. Since 2008, he has served as senior vice president, human resources and administration, at Navistar. He also worked at General Motors Corporation, Nissan North America and Toyota.

MENLO PARK, CA—Sona Iliffe-Moon, most recently PR brand affairs manager for the beverage division at Nestlé USA, has been named technology communications manager at Facebook. At Nestlé, she oversaw public relations for Nescafé, Coffee-Mate, Nesquick and other brands. Earlier she spent eight years in media relations and marketing communications roles at Toyota, and before that worked at Hill & Knowlton and Weber Shandwick.

CAMDEN, NJ—Campbell Soup Company has named Meg Miller as senior manager of communications. She joins from the Produce Marketing Association, where she was director of public relations. Before that, she worked with the Mid-Atlantic Dairy Association.

NEW YORK—Christa Robinson has been named senior vice president of communications for CBS News and will oversee CBS News' day-to-day media relations activities, as well as public affairs and communications strategy. Robinson previously led communications and public relations functions for all CNN networks and digital platforms. More recently, she served as chief communications officer for Tribune Media.