MICHAEL J. LANGE

Corporate Board Profile

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Mistras Group, Inc.

Filing Date Source Excerpt
2010-09-16 "Mr. Lange is a well recognized authority in radiography ... Mr. Lange received an Associate of Science degree in NDT"
2011-09-16 "Mr. Lange received an Associate of Science degree in NDT from the Spartan School of Aeronautics in 1979."
2012-09-13 "Mr. Lange is a well-recognized authority in radiography... Mr. Lange received an Associate of Science degree in NDT from the Spartan School of Aeronautics."
2013-09-12 "Mr. Lange is a well-recognized authority in radiography and has held an American Society for Nondestructive Testing (ASNT) Level III Certificate for over 20 years. Mr. Lange received an Associate of Science degree in NDT from the Spartan School of Aeronautics."
2014-09-11 "Mr. Lange is a well-recognized authority in radiography and has held an American Society for Nondestructive Testing (ASNT) Level III Certificate for over 20 years."
2015-09-09 “Mr. Lange is a well-recognized authority in radiography and has held an American Society for Nondestructive Testing (ASNT) Level III Certificate...”
2016-09-07 “Mr. Lange received an Associate of Science degree in NDT from the Spartan School of Aeronautics.”
2017-04-17 “Mr. Lange is a well-recognized authority in radiography and has held an American Society for Nondestructive Testing (ASNT) Level III Certificate for over 20 years. Mr. Lange received an Associate of Science degree in NDT from the Spartan School of Aeronautics.”
2018-04-04 “Mr. Lange is Vice Chairman and Senior Executive Vice President, Strategic Planning and Business Development... Mr. Lange is a well-recognized authority in radiography and has held an ASNT Level III Certificate for over 20 years.”

Source material: SEC submissions metadata and DEF 14A proxy filings from EDGAR. Last updated: 2026-05-05