Dr Shane Pascoe is a psychology researcher and lecturer and has taught in Australia, the US and the UK. He runs his own company Pascoe Psychology Ltd.

Dr Graham Law is associate professor in biostatistics, heads the Division of Biostatistics Centre for Epidemiology and Biostatistics, University of Leeds.
>These two authors combine academic research and day to day clinical mood management experience to support the theory.
Both authors present at conferences, and run training and workshops.