Derek Walker is an Applications Development Manager at Hach and is based in Nashville, Tennessee. Derek holds a Bachelor’s Degree in Biological Science from Colorado State University and a Master’s Degree from University of Colorado. His career includes work in private laboratories, and he has been with Hach for 21 years with experience in product development, field training, and new application development. Derek has held a Wastewater Operators license in the state of Colorado and contributes regularly to professional water and wastewater industry chapters, committees, and publications.