America’s Largest AACSB Accredited Business School Founded in 1847, The City University of New York, Baruch College is America's largest AACSB accredited business school. In collaboration with Aventis School of Management, we offer an exciting suite of Executive MBA, Executive Master and Graduate Diploma programs. Achieve Personal & Professional Success in just 12 months In just 12 months, you can enjoy a life change experience by accelerating your career advancement or embarking on your dream profession. Gain industry specific expertise and improve your job performance and personal growth.