Derek Calhoun

Derek Calhoun currently serves as the Technical Materials Coordinator at Ross Environmental Services, Inc., a position held since September 2025. Prior to this role, Derek worked at Cleveland Clinic as a Laboratory Technician in the Special Chemistry Department from March 2022 to September 2025. Derek's extensive experience includes various roles at CIRCON Environmental, including Laboratory Supervisor, Plant Process Chemist, Treatment Chemist, and Organic Chemist from October 2015 to March 2022. Additionally, Derek was a Laboratory Technician at Grace Consulting, Inc. from June 2013 to October 2015. Educational credentials include a Bachelor of Arts in Biology from The College of Wooster, obtained in 2011.