SEARSPORT — GAC Chemical Corporation announces that it has hired Darryl Coombs as its regional sales manager. Coombs is originally from Livermore Falls and currently lives in Turner.

Coombs graduated from the University of Southern Maine with a degree in industrial engineering and has more than 20 years of technical sales experience. During his sales career, he has worked for Buckman, Nalco, the University of Maine Process Development Center and Archroma.

GAC Chemical Corp. is the leading worldwide producer of high-purity ammonium sulfate and other manufactured chemicals. For more information, go to www.gacchemical.com.