CWT has promoted Nick Vournakis to executive vice president and chief customer officer; and Derek Sharp as executive vice president and chief traveler experience officer, both effective Dec. 1. Vournakis had been managing director of global customer development for CWT; before that he was president of U.S. military and government for CWT. Sharp was most recently COO of RoomIt, CWT’s hotel program. Before that, he ran CWT Meetings and Events. He also spent eight years in senior management roles with Travelport.

Synergy Global Housing, a serviced accommodation provider, named Nigel Carter as director of development, Europe/MiddleEast/Africa, based out of the company’s London office. He has spent a decade as chief commercial officer for LIFE Residential, a UK-based real estate agency. Prior to that, Carter worked for BridgeStreet Worldwide for 15 years as UK development director.