Blake Stark is a Senior Manager in NSF’s commercial water systems division and is responsible for the water treatment chemicals, water filtration media and wastewater technologies certification programs. During his 32 years with NSF, Blake has also served on the audit delivery staff, conducting site audits of many water supply products to NSF standards. Prior to joining NSF, Blake was a sanitarian for Lenawee County, Michigan, where he conducted site assessments for water supplies and wastewater systems. Blake is active in several water treatment chemical standards committees and is the current chair of the AWWA Disinfectants Committee. He has a bachelor’s degree in geology from Adrian College and an MBA from Walsh College (both in Michigan).