Robyn Walker

Rear Admiral Robyn Margaret Walker, (born 1 July 1959) is an Australian medical practitioner and a retired senior officer of the Royal Australian Navy (RAN). Walker became the first female admiral in the RAN when she was appointed Surgeon-General of the Australian Defence Force on 16 December 2011.
As Surgeon-General, Walker commanded the Joint Health Command until her retirement in December 2015. Air Vice Marshal Tracy Smart was appointed as her successor as Joint Health Commander.