Dan Douglas, PhD, has worked as a university professor and a language testing professional. He received the Distinguished Achievement Award (2019) from Cambridge University Assessment and the International Language Testing Association, for distinguished service and scholarship in the field of language testing. His books include Assessing Languages for Specific Purposes (Cambridge, 2000), Assessing Language through Computer Technology (with C. Chapelle, Cambridge, 2006), Understanding Language Testing (Routledge, 2010), and Fundamental Considerations in Technology Mediated Language Assessment (with K. Sadeghi, Routledge, 2023). His current interests include assessing English for aviation and English for nursing.