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Don Roth, Ph.D.

Don Roth is a technical fellow of the American Society for Nondestructive Testing (ASNT) and specializes mostly in x-ray and ultrasonic methods.

About Don Roth, Ph.D.
Technical Fellow, Inspection Specialist

Dr. Don Roth is the Technical Fellow, Inspection Specialist at Wohlers Associates, Powered by ASTM International. Additionally, he is also President at Roth Technical Consulting, LLC / Global X-ray Inspection Institute. Prior to joining Wohlers Associates, he served as the NDE Consulting Analyst and NAS-410 RT/DR/CT Level III at Joby Aviation from 2020 to 2024, where he developed various aspects of the DR/CT environment including facility, quality system, techniques, and staff. His resume also includes stints from 2014 into 2020 as the Global Radiography Leader for Additive and Castings for GE/Baker Hughes/Waygate Inspection Technologies, and as the senior staff technologist at GE Aviation dedicated to developing X-ray CT production inspection methods for the first ceramic composites to be used in GE engines. At Inspection Technologies, he also helped create and teach a 5-day course on X-ray CT leading to education credits for NDT certification. Dr. Roth also spent 31 years at NASA Glenn Research Center in Cleveland, OH, mostly as the NDE Sciences Team Lead, where he managed a team of contractors proficient in NDE research. His efforts there focused on NDE R&D and applications for aerospace and aviation. During this period, methods studied and advanced included X-ray CT, Digital Xray, Ultrasonic, Thermal, and Terahertz.

To date, Dr. Roth also has over 100 publications and presentations to his credit in inspection-related areas.

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