PORTLAND – Portland-based engineering firm W.H. Demmons, focused on geothermal installation and energy-efficient systems, announces the hiring of Dan Campbell of Auburn as a roofing sales engineer.

He returns to Demmons after spending the last five years in the technical support field for Full Swing Golf Inc. He previously spent three years with W.H. Demmons in the late 1990s before moving to a different trade. He has six years’ experience in commercial and high-end residential roofing.

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