Ex-Optus chief Kelly Bayer Rosmarin appointed as Australian Unity’s CEO

The news: Member-owned health insurance business Australian Unity has appointed former Optus chief executive Kelly Bayer Rosmarin as its new chief executive and group managing director.

The context: Bayer Rosmarin will begin in the role on 15 December 2025 following a transition period alongside incumbent Rohan Mead from 5 November 2025. In March, Mead announced his intention to retire from the role after a 21-year stint.

Bayer Rosmarin is also on the board of REA Group and is a strategic adviser to Airwallex. She has also previously worked at Commonwealth Bank for 14 years.

What they said: “A dynamic and adept contemporary business leader, Kelly possesses the values alignment and credentials to advance the Group’s vision of positively impacting the well being of its members, customers, employees and the community,” Australian Unity chair Lisa Chung said.