A cross-sector program designed to protect and preserve key competencies in the field of nuclear energy has announced the completion of its work. The initiative was launched with the goal of uniting efforts of various organizations in the industry to address the shortage of qualified personnel and preserve specialized knowledge necessary for the safe operation of nuclear facilities. The program involved coordination between sector companies that traditionally compete with each other but united to solve a common task — preventing the loss of critically important skills as experienced specialists retire and generational change occurs in the industry. Such cooperation allowed organizations to share resources, experience, and best practices in the field of personnel training. The completion of the program is viewed as successful fulfillment of the set objectives. During its operation, mechanisms for knowledge transfer between generations of specialists were developed, educational initiatives were created, and interaction between industry participants was strengthened. This is particularly important for the nuclear sector, where highly specialized technical knowledge is required and errors can have serious consequences for safety. The experience of such cross-sector cooperation can serve as a model for other economic sectors facing similar demographic and staffing challenges. The preservation of institutional knowledge is becoming an increasingly pressing issue in many high-tech and regulated industries, where experienced workers are gradually retiring and attracting and training a new generation of specialists requires significant effort and time.