Towards Successful Seniority™ – a common tool for HR personnel and occupational health services to promote the career management, professional development and mental well-being of employees and supervisors. Towards Successful Seniority™ is a group method during which the participants recognize their own strengths and needs for development, and set personal goals for their future careers. The group discusses ways in which to balance work, family, rest and other life needs. The Towards Successful Seniority™ method Trainer’s Manual provides the group method trainer with detailed instructions throughout the programme. The Participant’s Workbook is a manual for each group member and helps the participants work on their goals during the programme. The method can be targeted towards the whole personnel of an organization, or towards different subgroups based on age, work situation, or changes at work.