Stuart (Buz) Teacher graduated from the University of Pennsylvania with a B.A. degree in psychology and sociology, and attended the graduate program at the Wharton School's Center for Studies in Criminology and Criminal Law. In 1972, he co-founded Running Press Book Publishers, one of the largest independent book publishers in the United States, with offices in Philadelphia, New York, and London.

Buz was Publisher and CEO of Running Press from 1972 to March 2003. During that time, the company had more than 100 employees, published 220 new titles each year under the Running Press, Miniature Editions, Courage, and Running Press Kids imprints, and distributed their books worldwide. Under his leadership, Running Press produced five New York Times hardcover bestsellers, including the photo-essay book Sisters, which was on the hardcover bestseller list for more than 63 weeks. Buz is currently a consultant in the publishing industry, and a Trustee of the University of Pennsylvania Press. He is a longtime active board member of the Children's Crisis Treatment Center in Philadelphia, as well as a member of the Solebury Township Historic Architecture Review Board. He has served as an expert witness for other publishers involved in various legal issues concerning book publishing.

He is married to Janet Bukovinsky Teacher, a former journalist, and has a son, Matthew Teacher, who is co-founder of Sine Studios in Philadelphia.