John Beveridge will be subject to election at the next annual shareholder meeting, scheduled to be on November 7.
After almost 20 years as chief executive, Louise Bond will move into the role of chairperson for PHD New Zealand.
Returning New Zealand hospital manager Ian England appointed as MercyAscot chief executive.
Mr Schlasberg takes over from Sandhya Pillay.
Helen Andrews is promoted to partner and Kate Storer to senior associate.
Greg O'Connor will lead New Zealand's largest vehicle inspection company.
Mattias Strulik joins the group's Wellington team.
He was previously assistant hotel manager (since 2015) and replaces the late Bevan McGillicuddy.
Karin van Selm, who is based in Sydney, had been in her previous role with Rabobank since January 2016. =
He takes over the general manager role from Jonathan Cron, who founded the company with Penny Cron.
