Raba Kistner Executive and Leadership Team

May, 2026

Leadership Overview

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

Driven by a commitment to engineering excellence, Raba Kistner specializes in addressing critical risk areas across the complete lifecycle of client capital investments, impacting the fields of geotechnical, construction materials, geosciences, and environmental sciences.

Leadership Roles at Raba Kistner

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

    Chris L. Schultz, the President & Chief Executive Officer at Raba Kistner, directs the overarching corporate strategy and financial performance. Schultz guides the firm's expansion across its core service areas: geotechnical engineering, construction materials engineering, geosciences, and environmental sciences. This leadership role involves setting the vision for addressing client capital investment lifecycles and ensuring operational excellence across all divisions. By fostering innovation and client-centric approaches, Schultz drives the company's market position and long-term growth. The President & Chief Executive Officer ensures alignment with the firm's founding principles of integrity and technical expertise. Chris L. Schultz is pivotal in shaping the company's strategic direction and maintaining its reputation as a leader in engineering consulting.
    Chris L. Schultz

    Renan Pierre-Louis - Chief Financial Officer

    Renan Pierre-Louis, the Chief Financial Officer at Raba Kistner, manages all financial operations and strategic financial planning. Pierre-Louis oversees budgeting, forecasting, and capital allocation to support the firm's growth initiatives in geotechnical engineering, construction materials engineering, geosciences, and environmental sciences. This executive ensures robust financial controls and compliance across the organization, safeguarding client investments and company assets. The Chief Financial Officer plays a critical part in evaluating new business opportunities and managing risk associated with capital projects. Renan Pierre-Louis drives financial strategies that enhance profitability and operational efficiency, directly supporting the company's mission to address key risk areas throughout the client's capital investment lifecycle.
    Renan Pierre-Louis

    Clark Prothero - Chief Operating Officer

    Clark Prothero, the Chief Operating Officer at Raba Kistner, oversees the day-to-day operational execution across all service lines, including geotechnical engineering, construction materials engineering, geosciences, and environmental sciences. Prothero focuses on optimizing operational efficiency and service delivery to clients throughout the capital investment lifecycle. This leadership position involves managing resources, streamlining processes, and ensuring the highest standards of technical execution. The Chief Operating Officer drives performance improvements and fosters a culture of accountability within the operational teams. Clark Prothero is instrumental in translating strategic objectives into tangible operational results, ensuring Raba Kistner effectively addresses client risk management needs.

    Russel Lenz - Division Infrastructure President & Chief Operating Officer

    Russel Lenz, the Division Infrastructure President & Chief Operating Officer at Raba Kistner, directs the strategic growth and operational performance of the infrastructure division. Lenz oversees all aspects of infrastructure projects, ensuring seamless execution from planning through operations and maintenance phases. This role involves managing client relationships, driving business development, and maintaining high technical standards in areas like geotechnical and construction materials engineering. The Division Infrastructure President & Chief Operating Officer is responsible for expanding market reach and delivering value to clients investing in critical infrastructure. Russel Lenz champions innovation and operational excellence to solidify Raba Kistner's leadership in the infrastructure sector.
    Russel Lenz

    Gabriel Ornelas - Senior Vice President and Chief Operating Officer

    Gabriel Ornelas, the Senior Vice President and Chief Operating Officer at Raba Kistner, manages key operational functions and strategic initiatives across the firm. Ornelas focuses on enhancing service delivery and operational efficiency in geotechnical engineering, construction materials engineering, geosciences, and environmental sciences. This executive role involves collaborating with other leaders to ensure the complete lifecycle of client capital investments is addressed effectively. The Senior Vice President and Chief Operating Officer drives process improvements and fosters a culture of continuous development within operational teams. Gabriel Ornelas is dedicated to upholding Raba Kistner's commitment to technical excellence and client satisfaction.
    Gabriel Ornelas

    Frank Holzmann - Division Infrastructure Co-Chief Operating Officer

    Frank Holzmann, the Division Infrastructure Co-Chief Operating Officer at Raba Kistner, shares responsibility for the strategic direction and operational execution of the infrastructure division. Holzmann focuses on optimizing project delivery and client engagement within the infrastructure sector, ensuring adherence to Raba Kistner's rigorous standards in geotechnical and construction materials engineering. This role involves driving operational efficiencies and fostering strong team collaboration to meet project demands. The Division Infrastructure Co-Chief Operating Officer contributes to expanding the division's capabilities and market presence. Frank Holzmann is committed to delivering exceptional service and managing the complexities of capital investments in infrastructure.

    Newel White - Associate Chief Operating Officer

    Newel White, the Associate Chief Operating Officer at Raba Kistner, supports the firm's operational leadership in delivering comprehensive engineering consulting services. White contributes to the efficient management of projects across geotechnical engineering, construction materials engineering, geosciences, and environmental sciences. This position involves assisting in the implementation of operational strategies designed to enhance client satisfaction and project outcomes throughout the capital investment lifecycle. The Associate Chief Operating Officer works to streamline processes and ensure effective resource allocation. Newel White is dedicated to upholding Raba Kistner's reputation for technical expertise and reliable service delivery.

    Max Mongiello - President

    Max Mongiello, the President at Raba Kistner, leads specific strategic initiatives and operational areas within the firm. Mongiello focuses on driving growth and enhancing service offerings in key sectors, including geotechnical engineering and construction materials engineering. This leadership role involves fostering strong client relationships and ensuring the successful execution of complex capital investment projects. The President is responsible for identifying new opportunities and strengthening Raba Kistner's market position. Max Mongiello is committed to advancing the company's mission of providing expert consulting services and addressing critical risk areas for clients.
    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 (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 (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, Chief Financial Officer, Chief Operating Officer, Division Infrastructure President & Chief Operating Officer, Senior Vice President and Chief Operating Officer.