Board of Directors

John McMahon

Chair

John McMahon

John has extensive industry experience in the finance sector, including a background in technology, company turnarounds and transformation, and entrepreneurial small cap governance. He has spent more than 30 years in the Australasian equity markets, predominantly as an equity analyst (covering a broad range of industries), and was Head of Equities at ABN AMRO. John has worked for CS First Boston, BZW, Morgan Stanley, ABN AMRO, and Walker Capital, and was Managing Director of ASB Securities for three years. He now manages his own investment portfolio. John is a director of several small cap NZX-listed companies: Solution Dynamics (Chair), AoFrio (Chair of Audit Committee) and Vital (Chair). He has a Bachelor of Commerce (Honours), an MBA and is a CFA (Chartered Financial Analyst) charterholder.

Dame Paula Rebstock

Deputy Chair

Dame Paula Rebstock

Dame Paula joined the NZX Board in February 2023. She is a leading Auckland-based economist and company director, who was made a Dame Companion of the New Zealand Order of Merit in 2015 for services to the State. Dame Paula has extensive professional experience in corporate and public services governance. She is Deputy Chair of NZX-listed Vector, a Director of Bluecurrent Australia and Bluecurrent New Zealand, and also serves on unlisted entities including AIA Sovereign Insurance New Zealand, Auckland One Rail, Chair of Asia Pacific Healthcare Group, and Sealink New Zealand among others. Dame Paula is a former Chair of the New Zealand Commerce Commission, and the Accident Compensation Corporation (ACC); was a Deputy Chair of KiwiRail, and a Director of Auckland Transport. She is a member of the Clearing, Nominations and Human Resources and Remuneration committees

Lindsay Wright

Independent Director

Lindsay Wright

Lindsay was appointed as a director in February 2018. She has more than 30 years’ financial services and funds management experience locally and globally. Lindsay is CEO of the Funds Management unit at HKEX listed Sun Hung Kai & Co (resigned effective 21 May 2024). She has held a range of senior roles in the funds management sector both globally and regionally (APAC) for Matthews Asia, BNY Mellon Investment Management, Invesco Hong Kong, Harvest Funds and Deutsche Asset Management. Lindsay started her career with Bankers Trust, becoming CFO/COO before moving to Deutsche Asset Management. From a governance perspective Lindsay is a director of Milford Asset Management and Chair of the Audit and Risk Committee and is a director of ASX listed Navigator Global Investments. She has served as Deputy Chair of the Board and Chair of the Audit and Risk Committee of the Guardians of the NZ Super Fund, and as a director of Kiwibank. Lindsay has a Bachelor of Commerce from the University of Auckland and is a Fellow of the Hong Kong Institute of Directors.

Frank Aldridge

Independent Director

Frank Aldridge

Frank was appointed as a director in May 2017. Frank has an extensive understanding of New Zealand’s capital markets having spent more than two decades working for Craigs Investments Partners where he led the business for 16 years as Managing Director through a period of significant growth and expansion between 2005 to March 2021. In addition during this period, he was also Chair of Australian-based Wilsons Advisory and Stockbroking, former member and Chair of New Zealand Securities Association, and sat on several of Craigs Investment Partners’ subsidiary Boards. Frank is an accredited NZX Adviser, Financial Adviser (FA), and a Chartered Member of the Institute of Directors. Frank is a Director of Avion Private advising corporates, trusts and individuals

Elaine Campbell

Independent Director

Elaine Campbell

Elaine was appointed as a director in February 2019. She has more than 20 years’ executive experience, primarily in financial and capital markets, and the IT and telecommunications industry. Elaine is the Executive GM of Fibre Access at NZX-listed Chorus. During her time on the executive team at NZX from 2002 to 2008, Elaine led the demutualisation and listing of NZX and was responsible for the insourcing of regulatory functions, along with chairing Smartshares. Elaine spent five years at the Financial Markets Authority as Director of Compliance before joining AMP as an executive director and General Counsel. She has previously worked in the UK and USA for multinational Sun Microsystems.

Peter Jessup

Independent Director

Peter Jessup

Peter joined the NZX Board in January 2022, following his appointment to the Technology Committee in April 2021. He brings more than 35 years’ financial markets IT experience – including trading, surveillance, clearing, depository and settlement systems. Peter is a capital markets consultant with Accenture prior to which he led the Market Infrastructure Business Development team at LSEG and was Senior Vice President at Nasdaq’s Global Technology Services group. In Peter’s earlier career he worked for NZSE (New Zealand Stock Exchange), where he played a key role in automation of the exchange, including the implementation of electronic settlement and automated trading technology.

Rachel Walsh

Independent Director

Rachel Walsh

Rachel was appointed as a director in October 2022. She has more than 25 years’ experience across finance technology, healthcare, infrastructure, and other sectors and is a Fellow of CAANZ. She is a Director of IAG NZ Limited and a member of the External Reporting Advisory Panel (XRAP). Rachel was previously CFO at Datacom Group Limited and at listed healthcare company Abano Healthcare Group. She has worked at Rank Group Limited where she was involved in private equity acquisitions and divestments, debt raising in the US markets and financial reporting in the US market and under International Financial Reporting Standards. Rachel has also worked at PricewaterhouseCoopers as a Director in Audit. She Chairs the NZX Clearing Committee and is a member of the Audit and Risk, and Technology committees.