Rolfe and Nolan (R&N) has announced various organisational changes including the appointment of Bob Sylverne as CEO of North American operations. Jim Birney, who served as CEO while Sylverne focused on the initiation of R&N's modular, platform-independent middle office technology platform, has taken on the role of commercial director for the firm. Birney will now be responsible for all commercial aspects of the business and will focus specifically on strategic projects involving product innovation and additional participants including hedge funds and FX players...