Weekend Savings! $8 off coupon + Free Shipping. Get the code »

Paul A Keller

Paul A. Keller is the vice president and senior consultant with Quality America, a Six Sigma consulting, training, and publishing firm. Tom Pyzdek is a leading Six Sigma consultant and author, a Fellow of the American Society for Quality, and a recipient of the society's "Edwards Medal" for outstanding contributions to the field. He is the author of "The Six Sigma Handbook".