Peter works for the Health and Safety Executive as a Senior Psychologist. He has been part of the small team of psychologists and policy makers. He was involved from the beginning in developing the scientific knowledge base for the Management Standards approach to tackling work-related stress in the United Kingdom and is a co - author of several papers published on the Management Standards. He remains actively involved in promoting and advocating for a reduction of work-related stress both nationally and internationally, the promotion of positive mental health practices and the role of leaders setting the direction of organisations responses to work related stress, mental health and wellbeing. He is HSE expert witness for investigating work-related stress. In addition he provides scientific support in relation to mental health promotion and wellbeing in work. He undertakes presentations to a wide body of audiences on the prevention of work-related stress and mental and physical wellbeing. He has sat as a co-opted expert on National Institute of Clinical Excellence Review of mental health promotion within the workplace and on the Department for Health's United Kingdom. The Chair of Good Practice Awards for EU-OSHA Psychosocial Risk Campaign 2014-15 and has been involved in several European wide research projects looking at psychosocial risk and mental health as a co-opted expert. He is an Expert Advisor to ISO 45003 Psychologically Healthy Workplaces international standard.