John Green

Present Position

Adjudicator, Arbitrator and Mediator; Director, Building Disputes Tribunal (NZ) Ltd,; WHRS Adjudicator

Professional Experience

John is a professional arbitrator, adjudicator and mediator based in Auckland, New Zealand. He has been appointed in more than 1,160 building, construction and infrastructure disputes over the past 26 years relating to residential, commercial and industrial construction projects, power stations, gas fields, manufacturing and processing plants, stadiums, hotels, land subdivisions, roading, railways, wharves, marinas, drainage, wastewater treatment plants, recycling plants, mining, services, and utilities, involving domestic and internationally based parties, complex technical and legal matters, and sums in dispute exceeding $100M.

Career Summary

John is the founder and a Director of the Building Disputes Tribunal (BDT), the nationwide, specialist dispute resolution service provider for the building and construction industry in New Zealand and an Authorised Nominating Authority under the Construction Contracts Act 2002. He is also the founder and a Director of the New Zealand Dispute Resolution Centre (NZDRC); the New Zealand International Arbitration Centre (NZIAC); the New Zealand Family Dispute Resolution Centre (FDR Centre); the BuildSafe Security of Payment Scheme - BuildSafe®. He is a Principal Arbitrator, Adjudicator, Mediator, Expert Determiner and Early Neutral Evaluator for BDT, NZDRC and NZIAC.


John was appointed as a mediator and an adjudicator for the Weathertight Homes Resolution Service in 2003 when the Government service was formed and acted as an adjudicator until 2012. He was appointed as a Member of the Retirement Villages Disputes Panel on its formation in 2006. He specialises in dispute resolution process design, development and delivery and he is a member of the NSW Government Adjudication Research and Reporting Unit Advisory Panel.


John is the author of numerous papers and articles on dispute resolution. He is the Editor of BuildLaw® and ReSolution® and he is the author of Thomson Reuters: ‘The Leaky Building Crisis: Understanding the Issues’ - Part 4 Dispute Resolution Options and ‘Unit Titles Manual’ – Chapter 14 Dispute Resolution.


John has over 40 years experience in the construction industry as a subcontractor, head contractor, architectural designer, principal, consultant, and dispute resolution service provider.


John is a Chartered Arbitrator and Fellow of the Chartered Institute of Arbitrators (UK), a Fellow Arb/Med of the Arbitrators’ and Mediators’ Institute of New Zealand Inc., a Fellow of the Dispute Board Federation, a Fellow (Master) Association of Forensic & Advanced Valuation Executives, an Associate of the Institute of Arbitrators and Mediators Australia, and a LEADR Professional Panel Member. He is a past President of the Arbitrators’ and Mediators’ Institute of New Zealand Inc., a Past President of the Master Builders Association (Auckland) Inc. and a founding Council Member of the Society of Construction Law New Zealand Inc.