Executive

The Executive group provides leadership and direction across all aspects of the health service.

Robert Toms

Robert Toms
Chief Executive

Claire Chapman-Diaz 

Claire Chapman-Diaz
A/Executive Director, Commissioning and Redevelopment

Renee de Prazer

Renee de Prazer
A/Executive Director, Sir Charles Gairdner Osborne Park Health Care Group

Michelle Gillam

Michelle Gillam
A/Executive Director, People and Culture

Scott Goder

Scott Goder
A/Chief Corporate Operations Officer

Graham Martindale

Graham Martindale
A/Area Director, Nursing and Midwifery Services

Mark McAndrew 

Dr Mark McAndrew
Executive Director, Mental Health and Dental Services

Ian Sheldrake

Ian Sheldrake
Executive Director, Strategy and Transformation

Jeffrey Williams

Jeffrey Williams
Executive Director, Women and Newborn Health Service

Jaimy Wisse 

Jaimy Wisse
A/Executive Director, Public Health and Clinical Excellence

Simon Wood

Dr Simon Wood
Area Director, Clinical Services

Last Updated: 08/09/2026