Hotels Hilton CEO Nassetta to become WTTC chair By Arnie Weissmann / October 16, 2017 Share 1 -- Christopher Nassetta Hilton CEO Christopher Nassetta will become chairman of the World Travel and Tourism Council in April when the group meets for its annual global summit in Buenos Aires. He succeeds Gerald Lawless, head of tourism and hospitality for Dubai Holdings.Nassetta currently serves as WTTC's vice chairman for North America. He has been a member of the council's executive committee since 2011. Among other issues, Nassetta identified security, climate change and global youth unemployment as issues that the organization can work with governments to create "smart plans."WTTC's executive committee chooses the chairman, who serves a two-year term.WTTC is a global advocacy group comprised of multinational companies with an interest in the travel industry.