The Mistras Group at New York Stock Exchange
Costas Bej/TNH
Mistras Group CEO and Chairman Sotirios Vahaviolos is seen with his children at the New York Stock Exchange.
President and CEO of the Mistras Group Sotirios Vahaviolos rung the opening bell at the New York Stock Exchange on Thursday October 8, signaling the beginning of public trading for his company's stock.



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