Rosie holds a BE(Hons) (Civil), MEngNZ and is a member of the Institute of Directors.

She was appointed general manager of sustainability at Ports of Auckland in April 2019 and has nine years of experience in management, leadership and engineering.

Rosie was a member and deputy chair of the Provincial Growth Fund Independent Advisory Panel from 2018 until March 2021. She served in the NZ Army in Afghanistan in 2009 and 2010 as an engineer officer for the Provincial Reconstruction Team.