John Mackie is a Chartered Professional Engineer specialising in water and is currently involved with the significant reforms occurring in the water industry in New Zealand. His interest in blockchain technology piqued when he understood how this distributed ledger technology could be applied to address global water management challenges. John is a co-founder of the smart meter start-up MeterMe Ltd, which is developing the concept of a distributed ledger for water. On joining the Blockchain Executive Council in 2020, John took on the passion project to assist in improving digital education in blockchain and its related applications.