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David Johnston is an experienced Engineering Manager who has worked in various companies such as Construction Specialties, SDJ Group LLC, EJ Inc., ACAT Global, Metalico Annaco, WorldKlass, and Environex. With a background in Chemical Engineering and a Master of Business Administration degree, David has specialized in managing design engineers, leading product development, overseeing technical quality control, and executing capital projects. David has a strong presence in the Municipal Water Product Sector and has engaged in technical consulting services.