Ross is a professional director and management consultant. In recent years he has chaired or served on the boards of Crown entities and companies, as well as private sector companies and charitable trust boards. During his 30 year career in the public service, which culminated in his appointment as Deputy State Services Commissioner, Ross was a Principal in the New Zealand Debt Management Office of The Treasury, working in the US and Euro-financial markets in New York and London. He was appointed to the Investment Committee in December 2019.