He works as part of the Sustainable Nutrition Initiative®, a program providing evidence for the sustainable food system debate and ensuring that human nutrition is seen as a key aspect of sustainability.

Nick holds degrees in mathematics from Swansea University (UK) and in nutritional science from Massey University (NZ). His expertise is in mathematical modelling of complex systems, with a particular focus on human nutrition. His former research interest was in predictive models for dynamics in the human intestinal microbiome, and the influence on host health and wellbeing. He now studies the dynamics of global and national food systems and their impact on the nutrition of the global population.