Blake Stark is the General Manager of NSF’s Water Treatment Chemicals and Filtration Media programs, and works with NSF’s global testing and certification of these products for use in drinking water and recreational water systems. During his 27 years with NSF, Blake has also served as a Product Auditor in NSF’s Field Services team. Prior to joining NSF, Blake was a Sanitarian in Lenawee County, Michigan where he conducted site assessments for swimming pools, drinking water supplies, and wastewater systems. Blake is active in several water treatment chemical standards committees. He served on the CMAHC Disinfection & Water Quality Technical Support Committee this year, and is also the current chair of the Disinfectant Chemicals Standards Committee for the American Water Works Association. He has a Bachelor’s degree in Geology from Adrian College and an MBA from Walsh College (both in Michigan).