David, a project manager, is constantly late, overwhelmed with emails and tasks, and unable to balance his professional and personal responsibilities effectively. This is because he lacks proper time management. Some of his problems include being late to work and meetings, not having his project files or presentation ready, having to skip lunch to complete tasks, and likely being late to a family event in the evening. The root cause of all of David's issues is poor time management, as he suffers both professionally and personally due to not planning his day effectively. The document outlines various time management strategies like setting goals, developing a schedule, and revising plans, as well as common pitfalls to avoid like lack of planning and prioritizing.