Fundamentals of leadership, management, and psychology take center stage in the business world but are often neglected in library training. By applying basic business principles to enhance our leadership skills, we can become more purposeful, organized, innovative, impactful, and successful as librarians, even if we're not in charge. Drawing on the work of thought-leaders in business and librarianship, this article explores the importance, practical implementation, and benefit of casting vision, planning strategically, managing projects, rejecting passivity, building teams, and implementing accountability.