Today Hilton Worldwide kicked-off its second annual Global Week of Service, uniting Team Members across 90 countries and territories to spread the light and warmth of hospitality by participating in hands-on service projects in their local communities. The event launched with Christopher J. Nassetta, president and chief executive officer, Hilton Worldwide and 115 Team Members from the Global Headquarters in McLean, Va. helping to assemble food packs for distribution to local schools.