Darryl is an internationally renowned ecological statistician, particularly for his work on the development and application of species occurrence models. He has over 20 years experience in applying statistical techniques to a wide variety of ecological and environmental situations, around the globe. Darryl co-founded Proteus with David Fletcher in 2000, and commenced full-time with Proteus in 2001 as a consultant Biometrician. He also holds a honorary Associate Professor position at the University of Otago

Darryl has provided statistical advice on studies for a wide-range of species and enjoys the challenge of combining the statistical theory with the practical realities to develop a pragmatic solution. He has over 60 publications, with many articles in top ecological journals, and is lead author of the book Occupancy Estimation and Modelling: Inferring Patterns and Dynamics of Species Occurrence. A full list of his publications are available on Google Scholar.