in 1956, kafka moved north again to work at the united nations in new york. for the next decade he held overlapping appointments at the un, as a professor at the university of virginia, and in various posts in brazil. in july 1966, he went back to the imf for good, initially as alternate to the executive director for brazil, . in november, he was elected by brazil, colombia, the dominican republic, haiti, panama, and peru to succeed mr. bicalho as executive director. although he continued to hold adjunct or visiting academic positions at virginia, boston university, and the george washington university all through the 1970s and 1980s, the imf was his main vocation from then on.