Catherine Isaac is a past president of the New Zealand political party ACT, and managing director of Awaroa Partners. She was formerly director of JM Communications.
Isaac was raised in Christchurch and completed a BA in English and Languages at the University of Canterbury in 1970. She is the niece of Diana Isaac.
Isaac was communications and public affairs manager for the National Provident Fund through its extensive restructuring from 1988 to 1991. In the 18 month lead-up to the completion of the NPF tender process Isaac was also General Manager, Regional Operations, responsible for management of six regional offices and five branch offices.
Isaac was a member of the Board of the Wellington Community Trust from 1999 to 2003.