The National Business Aviation Association has announced that senior vice president, operations Robert P. Blouin has resigned. “Bob has made enormous contributions to NBAA and the business aviation community in his seven years with the Association,” said Don Baldwin, NBAA board of directors chairman and interim president and CEO. “We are sorry to see Bob leave, but we wish him all the best in his new endeavours,” he added. Jay Evans, NBAA director, operations, will serve as acting vice president, operations.