Dr Mike R. Johnston is an Officer of the New Zealand Order of Merit for services in Geological Sciences and History. In his long career as a geologist at DSIR and GNS he has contributed to understanding the geology of New Zealand    through field work, geological mapping and reconstructions of the tectono-stratigraphy of terranes. 

Mike is author of numerous scientific publications and books on New Zealand geology, geologists, mining history, early European exploration of New Zealand, and Nelson history. He lives in Nelson and works actively as a geology consultant.