A lawyer by profession, Isaac joined the Board in 2016 after many years as a passionate supporter of the RNZB. Isaac lives in Auckland, and is also a trustee of the Auckland Theatre Company and a trustee of the Theatre Foundation. His iwi are Ngaruahine, Ngati Ruanui, Ngati Maniapoto and Ngati Tuwharetoa
Isaac is a member of the RNZB Audit and Risk Committee.