Sixt, the German-based car rental company, has promoted Michael Meissner to president and COO for the US region. He has been at the company for 13 years, most recently as managing director for Italy. In November, Sixt named Thomas Kennedy as president and CFO for the US region. Both will hold the title of president, focusing on different areas.

ABC Global Services, the hotel program provider, has named Dee Runyan as executive vice president of hotel relationships. Most recently, she was a senior vice president with Partnership Travel Consulting. Runyan has also previously served as COO for CorpTrav, president of World Travel, Inc. and executive vice president at BCD Travel.

the hospitality company, has appointed Karl Bieberach as senior vice president of global development, effective March 22. Prior to joining the company, he had served as chief development officer at Rosewood Hotel Group. Bieberach has 25 years of experience in the industry, including roles with Starwood, Marriott and HVS International.