Stephen Browning, PE, joined Strongwell Corp. (Bristol, Va.) as a structural engineer. He has a BS in civil engineering technology from Bluefield State College, a BS in civil and environmental engineering from Tennessee Tech University and an MS in civil engineering from Virginia Tech. From 2004 to 2013 he operated his own construction design/consulting business … The Composites Group (Highlands Heights, Ohio) realigned its senior management. Hector Diaz-Stringel was promoted to VP of manufacturing operations. He worked in the chemicals industry before joining the company as corporate director of manufacturing operations in 2012. Diaz-Stringel holds a BS in chemical engineering and management from the Monterrey Institute of Technology and Higher Education (Monterrey, Mexico) and an MBA from Kent State University. Dwight Morgan became VP of sales and marketing. He began his career with M.A. Hanna Co. (Cleveland, Ohio), now Avon Lake, Ohio-based PolyOne Corp., then formed color and additive formulator Accel Color Corp. (Naperville, Ill.), now part of Techmer PM LLC (Clinton, Tenn.). Morgan holds a BA from Kent State University’s School of Journalism and a JD from the University of Akron School of Law. Company veteran Marc Imbrogno was promoted to corporate director, market/product development. He began his career as an R&D chemist at Cleveland, Ohio-based Glastic Corp. and then joined BASF (Florham Park, N.J.). He holds a BS in chemistry from the University of Akron … Robert Scarpitto has joined the Interplastic Corp. (St. Paul, Minn.) sales team as a sales representative responsible for California, Nevada and Baja California, Mexico. He brings to the position more than 20 years in a variety of sales positions.