Mark Knurek, North American sales and marketing manager at Lubrizol Advanced Materials, has more than 20 years of experience in marketing/sales, product development, engineering and brand management. He is an executive governing board member of the International Fire Sprinkler Association, and a member of the Suppliers and Manufacturers Council, Quality Assurance Committee and Residential Committee for the National Fire Sprinkler Association. For more information, go to www.freezemaster.com/engineer.