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John Harrelson is an experienced professional in the water treatment and chemical industries. Currently serving as a Tannin Specialist for Boiler Applications and Senior Account Executive at Kroff, Inc. since April 2015, John previously held the position of President and Owner at AJ Chemical from June 2003 to April 2015. Prior to that, John worked at GE Water & Process Technologies, first as VP of Odor Control from January 1999 to May 2003, and earlier as an Account Manager and Sales Representative from June 1986 to January 1998. John Harrelson completed studies at Greenville Technical College between 1984 and 1986.