James F. Masterson: A Contemporary Introduction - Paperbackby Loray Daws (Author) In this volume, Loray Daws traces the life and work of Dr James F. Masterson, with a focus on the scientific development and later expansion of the six developmental stages of the Masterson Method. Author Biography Loray Daws is a registered clinical psychologist in South Africa and British Columbia, Canada. He is currently in private practice and serves both as a senior faculty member at the International Masterson Institute