Nanette was educated at Aberdeen High School for Girls, and qualified as a doctor at Aberdeen University in 1965. She trained initially in Anaesthetics, gaining her Fellowship in 1969. She took a few years out in the early 70′s to bring up her two young children, and thereafter worked part-time in cancer related research.
She served as an Aberdeen City Councillor from 1988-99, and in 2003 became a North East Regional Member of the Scottish Parliament. During that time she served on the Equal Opportunities Committee and then on the Health Committee. She was Health Spokesman for the Conservative Party.
From 2007-2012 Nanette was a Member of the Public Petitions Committee and a Substitute Member of the Rural Affairs and Environment Committee, and was Conservative Shadow Minister for the Environment.
She is now once again a Member of the Health and Sport Committee and a Substitute Member of the Public Petitions Committee and is Conservative Spokesman on Public Health, Sport and the Commonwealth Games.
She is Co-Convener of the CPGs on Cancer, Diabetes and Oil and Gas and Convener of the CPG on Asthma, and a member of several other mainly health related CPGs.