David Gray was Professor of Leadership and Organisational Behaviour at the University of Greenwich. His research interests, and publication record, included research methods, management learning (particularly coaching and mentoring), professional identity, action learning, reflective learning, management learning in SMEs and the factors that contribute to SME success. He published books and articles on research methods, organizational learning, and coaching and mentoring.

David led a number of EU-funded research programmes including one examining the impact of coaching on the resilience of unemployed managers in their job-searching behaviours and another on how action learning can sustain unemployed managers in starting their own business. He also completed a global survey into the professional identity of coaches.