 MELBOURNE, Australia--BUSINESS WIRE--Northern Trust Nasdaq: NTRS today announced it has appointed Leon Stavrou as head of its business in Australia and New Zealand. Stavrou was most recently a global services executive responsible for Northern Trusts asset servicing operations across Australia and for ensuring the provision and development of Northern Trusts tailored range of asset servicing solutions to clients across Asia Pacific. He succeeds Angelo Calvitto, who was named as head of No 