Prior to being appointed chief executive of the Town of Mosman Park in July 2019, Carissa Bywater has been at the City of Bayswater for six years and served as acting chief executive on several occasions, including a period of six months from 2016 to 2017. Prior to that, she was a special projects analyst at the City of Joondalup and a general manager (equivalent to a chief executive position) at Forbes Shire Council in New South Wales. Ms Bywater has a Bachelor of Business majoring in accounting, postgraduate qualifications, and an MBA.