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Investor Relations

Sotirios Vahaviolos


Sotirios J. Vahaviolos

Founder and Executive Chairman

Dr. Vahaviolos is our Executive Chairman, and until August 10, 2017, had been our Chairman and Chief Executive Officer since he founded Mistras in 1978 under the name Physical Acoustics Corp. Prior to forming Mistras, Dr. Vahaviolos was a scientist and manager at AT&T Bell Laboratories. Dr. Vahaviolos received a B.S. in Electrical Engineering and graduated first in his engineering class from Fairleigh Dickinson University and received a Master of Science (EE), Masters in Philosophy and a Ph.D.(EE) from Columbia University School of Engineering. During Dr. Vahaviolos’ career in non-destructive testing, he has been elected Fellow of (1) The Institute of Electrical and Electronics Engineers, (2) The American Society of Nondestructive Testing, and (3) The Acoustic Emission Working Group (AEWG). Dr. Vahaviolos is also a member of The American Society for Nondestructive Testing (ASNT), where he served as its President from 1992-1993 and its Chairman from 1993-1994, a member of AEWG and an honorary life board member of the International Committee for Nondestructive Testing. Additionally, he was the recipient of ASNT’s Gold Medal in 2001 and AEWG’s Gold Medal in 2005. He was also one of the six founders of NDT Academia International in 2008.

Dr. Vahaviolos brings to the Board his detailed knowledge and unique perspective and insights regarding the strategic and operational opportunities and challenges, economic and industry trends, and competitive and financial positioning of our business. In addition, his significant experience as the company’s founder, Chairman and CEO, his leadership of our Company for almost four decades during various economic cycles and his 40% ownership interest in the Company positions him well to serve as our Executive Chairman.

Chairman of the Board

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