His extensive experience in all phases of crane design, layout, estimating and technical sales of custom engineered cranes and other heavy equipment have been instrumental in crane development at Ederer and for PaR Nuclear.  Nelson is recognised as an industry expert in design and application of single-failure-proof hoists and cranes for use in nuclear power plants and other critical lift installations.  He also sits on several national committees for establishing crane specifications in the US crane industry.  He has chaired positions at the Crane Manufacturers’ Association of America, American Society of Mechanical Engineers, and Committee on Cranes for Nuclear Facilities.