Inclusion Criteria:  Aged 18 years or older Employed Direct managerial or supervision responsibility for three or more staff. Has a work computer or mobile phone and email address with which to access the training and receive reminders Ability to provide informed consent  Exclusion Criteria:  Not employed Employed but due to retire or be made redundant in the next 6 months Have undertaken work-based training on mental health at work within last 6 months