Wayne Brown - Mayor of Auckland October 4, 2023 Nicola Willis - Deputy Leader of the National Party and Minister of Finance August 9, 2023 David Seymour - Minister of Regulation and the Associate Minister of Health, Finance, and Education May 15, 2023 Roger Partridge - Chairman and a co-founder of The New Zealand Initiative March 16, 2023 Barry Soper - Newstalk ZB's senior political correspondent August 25, 2022 Kirk Hope - Chief Executive of Business New Zealand, New Zealand's largest business advocacy group June 23, 2022 Bernard Hickey - Economics columnist for the NZ Herald April 15, 2022 Dr Oliver Hartwich - Executive Director of The New Zealand Initiative June 22, 2021