 From 1985 through 1989, Deming served as a consultant to Vernay Laboratories, a rubber manufacturing firm in Yellow Springs, Ohio, with fewer than 1,000 employees.He held several week-long seminars for employees and suppliers of the small company where his infamous example "Workers on the Red Beads" spurred several major changes in Vernay's manufacturing processes.Deming joined the Graduate School of Business at Columbia University in 1988.