Top tip: Camel’s milk is the ingredient of the moment in Dubai, finding its way into high-end specialty shops and dishes at some of the city’s top restaurants, Wallace says. While there, check in to his favorite spot: the new Ottoman-inspired Jumeirah Zabeel Saray, with views of the sea. Years as agent: 16. Specialties: United Arab Emirates, Maldives, Seychelles. Consulting fee: None.