Three wealth management executives who joined BMO Financial Group as part of the Toronto-listed firm’s acquisition of Marshall & Ilsley last year have now departed, a spokesperson for the company has confirmed.

Kenneth Krei, executive vice president and head of BMO Global Private Bank, which includes Canadian and US operations, is believed to have retired while Jim Duca, executive vice president, BMO Global Private Bank for the US, and Jamie Cahn, president of BMO Institutional Trust Services, have left to pursue other opportunities.

Before joining BMO, Krei served as chairman, president and chief executive of Marshall & Ilsley Trust Company and chairman and CEO of M&I Investment Management. He joined Marshall & Ilsley in July 2003 as head of M&I's wealth management businesses.

Duca was previously senior vice president and managing director of private wealth management for M&I Trust Company, while Cahn held the same job title before the acquisition.

In other recent developments at the group, BMO Harris Private Bank recently upgraded its downtown Montreal, QC office, moving to a larger site at 1250 Rene Levesque Ouest. The new location is 50 per cent larger than the old one, BMO said, following a two-year period in which the firm’s private bank has grown quickly and doubled the size of its team in Montreal.