MISTRAS Group Executive and Leadership Team

May, 2026

Leadership Overview

MISTRAS Group has 4 executives leading key functions including strategy, operations, marketing, and board oversight.

Driven by innovation, MISTRAS Group provides technology-enabled asset protection solutions across diverse industries, prioritizing safety and operational integrity through advanced inspection and maintenance services.

Leadership Roles at MISTRAS Group

  • Chairman & Chief Executive Officer - Sotirios Vahaviolos
  • President & Chief Executive Officer & Director, Board - Natalia Shuman
  • Executive VP & Chief Operating Officer - Hani Hammad
  • Senior Vice President and Chief Marketing Officer - Theresa Feraren
  • Sotirios Vahaviolos - Chairman & Chief Executive Officer

    Sotirios Vahaviolos, the Chairman & Chief Executive Officer at MISTRAS Group, directs the overarching corporate strategy and vision. Vahaviolos guides the company's global operations, ensuring alignment with market demands and technological advancements in asset protection. This leadership role involves setting the strategic direction for all business units, including non-destructive testing, inline inspection, and plant condition management software. Overseeing the development and deployment of cutting-edge inspection technologies, Vahaviolos drives innovation across the oil and gas, aerospace, power generation, and civil infrastructure sectors. The Chairman & Chief Executive Officer ensures robust governance and financial performance, solidifying MISTRAS Group's position as a leader in technology-enabled asset protection solutions. Sotirios Vahaviolos's strategic oversight extends to fostering key partnerships and expanding the company's market reach across the United States, other Americas, Europe, and the Asia-Pacific.
    Sotirios Vahaviolos

    Natalia Shuman - President & Chief Executive Officer & Director, Board

    Natalia Shuman, the President & Chief Executive Officer & Director, Board at MISTRAS Group, executes the strategic initiatives set forth by the board and leadership. Shuman oversees daily operations, ensuring efficient delivery of technology-enabled asset protection solutions across all served industries. This executive position involves managing cross-functional teams responsible for maintenance, light mechanical services, and engineering consulting. Driving operational excellence, the President & Chief Executive Officer & Director, Board focuses on optimizing service delivery for clients in the petrochemical, transportation, and manufacturing sectors. Shuman's leadership ensures the company's compliance with industry standards and regulatory requirements, particularly in areas like corrosion mitigation and insulation installation. Natalia Shuman's role is critical in maintaining the company's commitment to quality assurance and quality control for metal and alloy components, materials, and composites, thereby reinforcing MISTRAS Group's market standing.

    Hani Hammad - Executive VP & Chief Operating Officer

    Hani Hammad, the Executive VP & Chief Operating Officer at MISTRAS Group, directs the company's extensive operational activities and service delivery. Hammad manages the implementation of non-destructive testing, inline inspection, and plant condition management software across diverse client bases. This critical role involves overseeing maintenance and light mechanical services, including insulation installation, electrical work, and industrial cleaning, ensuring seamless execution. The Executive VP & Chief Operating Officer drives efficiency in the provision of engineering consulting services, focusing on process equipment and facilities. Hammad's operational leadership extends to the deployment of advanced inspection systems, such as unmanned aerial and land-based units, and subsea technologies. Hani Hammad ensures the effective integration of quality assurance and quality control solutions for new and existing components, materials, and composites, supporting MISTRAS Group's commitment to reliability and safety in the petrochemical, power generation, and civil infrastructure industries.
    Hani Hammad

    Theresa Feraren - Senior Vice President and Chief Marketing Officer

    Theresa Feraren, the Senior Vice President and Chief Marketing Officer at MISTRAS Group, architects and executes the company's comprehensive marketing and brand strategy. Feraren drives market penetration and customer acquisition by highlighting MISTRAS Group's advanced asset protection solutions. This leadership position involves overseeing all aspects of marketing communications, digital presence, and lead generation initiatives. The Senior Vice President and Chief Marketing Officer focuses on articulating the value proposition of services such as non-destructive testing, plant condition management software, and specialized mechanical services to key industries including oil and gas, aerospace, and power generation. Theresa Feraren's strategic direction ensures consistent brand messaging and market positioning, supporting the company's growth objectives and reinforcing its reputation for innovation and reliability in technology-enabled asset protection across the United States and international markets.

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    Frequently Asked Questions Regarding MISTRAS Group Top Executives and Leadership Team

    Who leads MISTRAS Group?
    MISTRAS Group is led by Sotirios Vahaviolos (Chairman & Chief Executive Officer), along with executives such as Natalia Shuman (President & Chief Executive Officer & Director, Board) and Hani Hammad (Executive VP & Chief Operating Officer).
    Who is part of MISTRAS Group’s executive team?
    The executive team of MISTRAS Group includes leaders such as Sotirios Vahaviolos (Chairman & Chief Executive Officer), Natalia Shuman (President & Chief Executive Officer & Director, Board), Hani Hammad (Executive VP & Chief Operating Officer) and other senior executives.
    How many executives does MISTRAS Group have?
    MISTRAS Group has 4 executives leading key business areas.
    What roles are included in MISTRAS Group’s leadership team?
    The leadership team of MISTRAS Group includes roles such as Chairman & Chief Executive Officer, President & Chief Executive Officer & Director, Board, Executive VP & Chief Operating Officer, Senior Vice President and Chief Marketing Officer.