 During his tenure, Travelmation secured two intellectual property patents for its airfare pricing algorithms, and, in 1991, the company introduced a travel booking engine application to clients including Macy's, Nestle and American National Can.The following year, Travelmation was acquired by Rosenbluth International (now part of American Express).Following his departure from Travelmation, Wolf in 1994 founded PhoCusWright Inc. Fodor's and The New York Times were among the company's early clients.