Chair, Vice-Chair/Program Chair, Publicity Officer, and Graduate Student Representative Wanted!The ISA Theory Section seeks nominations for its executive board; at our Business meeting at ISA 2019 in Toronto a new Chair, Vice-Chair/Program Chair, Publicity Officer, and Graduate Student Representative will be announced. Email nominations for each of the positions should be made to Asli Calkivik at acalkivik@itu.edu.tr . We welcome self-nominations. Those nominating a third party should get their express permission first. Please specify which position the nomination is for, and provide...