About the Author

Robert G. Cooper is a professor of marketing at McMaster University. Founder of the widely employed StageGate product development process, he lives in Oakville, Ontario.Scott J. Edgett is associate professor of marketing at McMaster University and director of the Product Development Institute. He lives in Ancaster, Ontario.Elko J. Kleinschmidt is professor of marketing and international business and director of the engineering and management program at McMaster University. He lives in Ancaster, Ontario.