MELBOURNE, Australia--(BUSINESS WIRE)--Northern Trust (Nasdaq: NTRS) today announces it has named Madeleine Senior as head of Australia and New Zealand, replacing Rohan Singh who will return to Northern Trust’s Singapore office as head of Singapore and South East Asia. Senior assumes the role on 1 September 2015 and will be responsible for leading Northern Trust’s business in Australia and New Zealand, providing asset servicing and asset management solutions to sophisticated institutional and f