Dennis is a Research Associate Professor in OSU's Welding Engineering Laboratory and has over 35 years’ experience developing applied research solutions for industry.  He began his career as a welder in northeast Ohio and has strong hands-on fusion welding process and automation expertise.  He has worked in a variety of technical and leadership roles for GE Astrospace, Babcock & Wilcox (now BWXT), EWI, Thermadyne Industries (now part of ESAB), and AWS before joining OSU Welding Engineering Laboratory in late 2015.  Professor Harwig is a recognized international expert in arc welding, directed energy deposition (DED) additive manufacturing (AM), pressure vessel manufacturing, shipbuilding, lightweight structural manufacturing processes, and standards.  He has a collaborative research appointment as Senior Technical Advisor with EWI and LIFT.  Since joining OSU and EWI, he has helped establish a range of new lab capabilities for arc and laser welding, cladding, and DED additive manufacturing.  Through a range of applied research initiatives, Professor Harwig is concentrating on developing new DED AM processes, systems, and monitoring technology.