MNZ is made up of a Board of five members appointed by the Governor General on the recommendation of the Minister of Transport. The Board appoints the Director of Maritime New Zealand, who has independent statutory powers under the Maritime Transport Act 1994.

Keith, former Chief Executive and Registrar of the Real Estate Agents Authority, took over the role as Director of MNZ on 5 December 2011. He brings over 20 years experience in the public sector, with extensive leadership experience in a number of senior leadership positions in regulation, compliance and enforcement.
Keith is the former Deputy Secretary, Regulation and Compliance at the Department of Internal Affairs (DIA) and is an alumni of the Government Advanced Leadership Programme. He currently also leads the whole of government Compliance Common Capability Programme.

David was born in Reefton. In April 2009 he retired from the Royal New Zealand Navy after 42 years service – spending the last 5 years as Chief of Navy. He had a variety of appointments at sea, ashore, in New Zealand and overseas. With his wife Barbara, he divides his time between Wellington and Otaki.
David was appointed Chairman in February 2010.

Peter is COO at Wellington Institute of Technology (WelTec), a Trustee at Digital Porirua Trust, Owner/Director at Quorum Group Ltd and The BDH Group Ltd. Peter has extensive management experience, including CEO at Digital Porirua Trust, General Manager, Science and Engineering Services at BRANZ and General Manager, Network Delivery at Telecom.
Prior to these roles Peter held a variety of management, technical and leadership roles within Telecom. Peter specialises in management consultancy and mentoring senior managers and executives. He became a member of the Authority in May 2011.
Maxine has a background in financial and management accounting in the public and private sectors, and operations management in the education industry. She has held management and accounting roles for Tainui Group Holdings, Environment Waikato and Te Wananga o Aotearoa, and was previously on the executive board of Waikato Tainui.
Maxine currently chairs the Northern Region Health School and the Proprietors of the Taharoa C Block. She is also a member of the board of Te Aho o te Kura Pounamu, the New Zealand Upper Central Rugby League and the Waitakaruru Arboretum Sculpture Trust. She has strong iwi links with the Waikato and King Country regions.
Belinda is an Auckland-based consultant with a background in accounting, shipping and conservation. She has worked in senior accounting and management roles in the shipping industry in New Zealand for Tasman Express Line Ltd and McKay Shipping Ltd. Her initial shipping experience was gained with Ellerman City Liners in London.
Belinda was a Member of Parliament from 1996-2002 and is a director of the Institute of Geological and Nuclear Sciences Ltd (GNS Science) and a trustee of the Auckland Philharmonia Foundation. She recently completed a 10-year term as a trustee of the Motutapu Restoration Trust.
After more than 37 years working in the New Zealand. shipping industry, Russell retired as General Manager of NYKCool New Zealand in 2012, though continues to represent the company in this country on a part-time basis.
Russell was also a member of the Executive of Shipping New Zealand for more than 20 years, including time as Chairman. His leisure interests are also predominantly focused on pleasure boating and fishing.