Dr. Nelik (aka “Dr. Pump”) is president of Pumping Machinery, LLC, an Atlanta-based fi rm specializing in pump consulting, training, equipment troubleshooting and pump repairs. Dr. Nelik has 30 years experience in pumps and pumping equipment. He has published more than 50 documents on pump operations, the engineering aspects of centrifugal and positive displacement pumps and maintenance methods to improve reliability, increase energy savings and optimize pump-to-system operations. With questions, comments or to attend his Pump School, he can be contacted at www.PumpingMachinery.com.