To manage multiple projects at once, prioritize them based on importance, urgency, and impact, and set clear objectives and goals for each. Develop detailed project plans, allocate resources wisely, and use multi-project management software to stay organized. Maintain effective communication among team members, stakeholders, and clients, and regularly monitor progress and performance. Be adaptable and prepared to adjust plans and priorities as needed. Delegate tasks to distribute workload and empower team members. After completing each project, conduct a review to identify areas of improvement and lessons learned, applying these insights to future projects to enhance your multi-project management skills.