Pi Sigma Epsilon is the nation's only professional co-ed fraternity, specializing in Business and Marketing. Pi Sigma Epsilon's mission is to develop the professional skills of its members through real life experiences. The Zeta Chi chapter of Pi Sigma Epsilon is chartered at the University of California, Berkeley. All majors are recruited to promote a diverse and inclusive brotherhood in which we all learn from one another. Zeta Chi operates as a small consulting firm. Clients are provided with innovative business solutions, and chapter members are given opportunities to gain real world business experiences