Raba Kistner Executive and Leadership Team

June, 2026

Leadership Overview

Raba Kistner has 8 executives leading key functions including strategy, operations, finance, and infrastructure.

Driven by a commitment to client success, Raba Kistner is dedicated to providing comprehensive engineering consulting services across the entire lifecycle of capital investments, ensuring robust solutions in geotechnical, construction materials, geosciences, and environmental sciences.

Leadership Roles at Raba Kistner

  • President & Chief Executive Officer - Chris L. Schultz
  • Vice President, Chief Financial Officer - Renan Pierre-Louis
  • Chief Operating Officer - Clark Prothero
  • Senior Vice President and Chief Operating Officer - Gabriel Ornelas
  • Associate Chief Operating Officer - Newel White
  • Chief Operating Officer, Infrastructure - Frank Holzmann
  • Division Infrastructure President & Chief Operating Officer - Russel Lenz
  • President - Max Mongiello
  • Chris L. Schultz - President & Chief Executive Officer

    Chris L. Schultz, the President & Chief Executive Officer at Raba Kistner, directs the overarching strategy and vision for the firm. Schultz guides the company's expansion into new markets and service areas, ensuring alignment with the core mission of addressing critical risk management for client capital investments. This leadership role involves fostering innovation across the firm's specialized divisions, including geotechnical engineering, construction materials engineering, geosciences, and environmental sciences. By championing a client-centric approach, Schultz ensures that Raba Kistner delivers comprehensive solutions throughout the complete lifecycle of capital investments. The President & Chief Executive Officer oversees the integration of planning, design, construction, and operations and maintenance phase services, driving operational excellence and sustained growth. Chris L. Schultz's strategic direction solidifies Raba Kistner's position as a leader in engineering consulting.
    Chris L. Schultz

    Renan Pierre-Louis - Vice President, Chief Financial Officer

    Renan Pierre-Louis, the Vice President, Chief Financial Officer at Raba Kistner, directs the company's financial strategy and operations, ensuring fiscal health and sustainable growth. Pierre-Louis oversees all financial planning, accounting, budgeting, and reporting functions, providing critical insights to support executive decision-making. This role is essential for managing the financial aspects of Raba Kistner's diverse engineering consulting services, from geotechnical and construction materials engineering to geosciences and environmental sciences. Renan Pierre-Louis plays a key part in securing funding, managing investments, and optimizing financial performance across the firm's capital projects. The Vice President, Chief Financial Officer ensures compliance with financial regulations and drives initiatives to enhance profitability and shareholder value, supporting the firm's long-term objectives.
    Renan Pierre-Louis

    Clark Prothero - Chief Operating Officer

    Clark Prothero, the Chief Operating Officer at Raba Kistner, manages the day-to-day operational execution across all service lines. Prothero oversees the efficient delivery of services in geotechnical engineering, construction materials engineering, geosciences, and environmental sciences, ensuring seamless integration between planning, design, construction, and operations and maintenance phases. This role is critical for optimizing resource allocation and enhancing project management capabilities throughout the client's capital investment lifecycle. By focusing on operational efficiency, Clark Prothero drives improvements in service delivery and client satisfaction. The Chief Operating Officer works closely with divisional leaders to implement best practices and maintain high standards of quality and safety. Prothero's leadership ensures that Raba Kistner consistently meets the complex demands of its clients' capital projects.

    Gabriel Ornelas - Senior Vice President and Chief Operating Officer

    Gabriel Ornelas, the Senior Vice President and Chief Operating Officer at Raba Kistner, spearheads operational strategies that enhance service delivery across the firm's diverse engineering disciplines. Ornelas focuses on optimizing the execution of projects within geotechnical engineering, construction materials engineering, geosciences, and environmental sciences, ensuring comprehensive support for clients' capital investments. This leadership position involves refining program and project management methodologies to improve efficiency and effectiveness from planning through operations and maintenance phases. Gabriel Ornelas drives initiatives to strengthen client relationships and expand the firm's service offerings, particularly in complex infrastructure projects. The Senior Vice President and Chief Operating Officer collaborates with executive leadership to align operational capabilities with strategic growth objectives, reinforcing Raba Kistner's commitment to excellence.
    Gabriel Ornelas

    Newel White - Associate Chief Operating Officer

    Newel White, the Associate Chief Operating Officer at Raba Kistner, supports the firm's operational leadership in delivering specialized engineering consulting services. White contributes to the efficient management of projects across geotechnical engineering, construction materials engineering, geosciences, and environmental sciences, ensuring adherence to quality and safety standards. This role involves assisting in the coordination of services that span the entire lifecycle of capital investments, from initial planning to ongoing maintenance. Newel White plays a part in implementing operational improvements and streamlining processes to enhance client satisfaction and project outcomes. The Associate Chief Operating Officer works to ensure that Raba Kistner's operational teams are equipped to meet the evolving needs of the construction and infrastructure sectors, supporting the firm's strategic goals.

    Frank Holzmann - Chief Operating Officer, Infrastructure

    Frank Holzmann, the Chief Operating Officer, Infrastructure at Raba Kistner, directs the operational execution and strategic development for the firm's infrastructure projects. Holzmann oversees the comprehensive engineering services provided for large-scale infrastructure, including geotechnical engineering, construction materials engineering, and geosciences, ensuring robust solutions for complex capital investments. This leadership role focuses on enhancing program and project management capabilities to support clients from planning and design through construction and operations. Frank Holzmann drives operational excellence and innovation within the infrastructure division, aiming to deliver superior outcomes and manage risks effectively. The Chief Operating Officer, Infrastructure collaborates with executive teams to align divisional operations with the company's overall mission, reinforcing Raba Kistner's expertise in critical infrastructure development.
    Frank Holzmann

    Russel Lenz - Division Infrastructure President & Chief Operating Officer

    Russel Lenz, the Division Infrastructure President & Chief Operating Officer at Raba Kistner, leads the strategic direction and operational management of the firm's infrastructure division. Lenz oversees the delivery of specialized engineering consulting services, including geotechnical engineering, construction materials engineering, and geosciences, crucial for the lifecycle of major infrastructure investments. This executive position involves driving growth, enhancing service capabilities, and ensuring the successful execution of complex projects across the United States. Russel Lenz focuses on fostering strong client partnerships and expanding the division's market presence by providing innovative solutions and expert guidance. The Division Infrastructure President & Chief Operating Officer works to align operational strategies with market demands, ensuring Raba Kistner remains a leader in infrastructure development and consulting.
    Russel Lenz

    Max Mongiello - President

    Max Mongiello, the President at Raba Kistner, leads strategic initiatives and business development efforts to expand the firm's market reach and service offerings. Mongiello focuses on driving growth across Raba Kistner's core competencies in geotechnical engineering, construction materials engineering, geosciences, and environmental sciences, ensuring comprehensive support for client capital investments. This executive role involves cultivating key client relationships and identifying new opportunities within the engineering consulting sector. Max Mongiello works collaboratively with other leaders to align business strategies with operational capabilities, enhancing the firm's competitive position. The President is instrumental in fostering a culture of innovation and client service, reinforcing Raba Kistner's commitment to delivering exceptional value throughout the project lifecycle.
    Max Mongiello

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    Frequently Asked Questions Regarding Raba Kistner Top Executives and Leadership Team

    Who leads Raba Kistner?
    Raba Kistner is led by Chris L. Schultz (President & Chief Executive Officer), along with executives such as Renan Pierre-Louis (Vice President, Chief Financial Officer) and Clark Prothero (Chief Operating Officer).
    Who is part of Raba Kistner’s executive team?
    The executive team of Raba Kistner includes leaders such as Chris L. Schultz (President & Chief Executive Officer), Renan Pierre-Louis (Vice President, Chief Financial Officer), Clark Prothero (Chief Operating Officer) and other senior executives.
    How many executives does Raba Kistner have?
    Raba Kistner has 8 executives leading key business areas.
    What roles are included in Raba Kistner’s leadership team?
    The leadership team of Raba Kistner includes roles such as President & Chief Executive Officer, Vice President, Chief Financial Officer, Chief Operating Officer, Senior Vice President and Chief Operating Officer, Associate Chief Operating Officer.