Casanas orchestrates a wide range of human resources activities for Showtime, and recently she implemented company-wide management training programs. Her program that has senior leadership speak with employees over breakfast or lunch helps encourage mentorship. “Mentoring is a delicate relationship,” she says. “The most effective strategies are the sincere desire to help a more junior person succeed and be totally honest with them.” Casanas also is on the front lines of the hiring process, giving her the opportunity to foster diversity at the company. Outside the office, she is committed to causes that help children and senior citizens.