The Russ Berrie Institute of Professional Sales (RBI) at William Paterson University provides Certificate Programs for non-sales professionals and sales professionals. Our NEW Certificate Programs provide you with the flexibility you need to achieve your personal and business goals. Below you will find our course offerings. Dates: Monday - Sept. 8, 15, 22, 29, Oct. 6, 20Time: 6pm-9pm Dates: Thursday - Sept. 11, 18, 24, Oct. 2, 9, 23 Time: 6pm-9pm