The final step is to prevent underperformance issues from recurring or spreading in your team. To do this, you should foster a positive and supportive team culture, where team members can share ideas, feedback, and challenges. You should also provide continuous learning and development opportunities for them, such as training, workshops, webinars, or online courses. It's important to delegate tasks and responsibilities according to your team members' skills, interests, and career goals while giving them autonomy and ownership of their work. Recognizing and rewarding your team members for their performance, contributions, and achievements will create a sense of purpose and value for their work. Additionally, communicating clearly and frequently with your team members will keep them informed and engaged with the project vision, objectives, and progress. By following these steps you can identify and address underperforming team members in your engineering design team while helping them improve their performance and satisfaction. Ultimately, this will enhance your team's overall productivity, quality, and collaboration so that you can achieve your project goals and outcomes.