DuBois & King, Inc, consulting engineers announce that Ben MacKinney, EI has joined the firm as a Structural Engineer in the firm’s Structures Department. A 2009 graduate of the University of Vermont’s School of Engineering, Mr. MacKinney is a Civil Engineer and Licensed Engineer Intern with 2 years of structural design experience. Mr. MacKinney’s experience encompasses structural design of reinforced concrete, steel, masonry, and timber structures. Mr. MacKinney lives in Colchester, and works in the firm’s Williston, Vermont office. DuBois & King provides engineering services from offices in Randolph, Williston, Springfield, Vermont and Bedford, New Hampshire.