Raba Kistner Executive and Leadership Team

August, 2026

Leadership Overview

Raba Kistner has 9 executives leading key functions including strategy, operational oversight, financial management, and technical innovation.

Focused on the complete life cycle of capital investments, Raba Kistner delivers expert engineering consulting services to mitigate risk and optimize project outcomes across geotechnical, environmental, and construction sectors.

Leadership Roles at Raba Kistner

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

    Chris Schultz, the President & Chief Executive Officer at Raba Kistner, directs the overarching strategic vision for the firm. By aligning geotechnical engineering and environmental science capabilities with client capital investment goals, the President & Chief Executive Officer ensures long-term market relevance. This leadership role involves constant evaluation of service delivery models to maintain high standards in construction materials engineering. Chris Schultz drives growth by fostering collaboration across all internal divisions, ensuring that project management services meet complex regulatory requirements. Through rigorous oversight of corporate performance, the President & Chief Executive Officer secures the firm's position as a leader in the engineering consulting industry. By prioritizing innovation in geosciences, the firm maintains a competitive edge in North American markets. Schultz consistently evaluates operational efficiency to support sustainable expansion and client satisfaction across diverse infrastructure projects.
    Chris Schultz

    Renan Pierre-Louis - Vice President, Chief Financial Officer

    Renan Pierre-Louis, the Vice President, Chief Financial Officer at Raba Kistner, manages the fiscal health and capital allocation strategies of the firm. Overseeing financial planning and analysis, the Vice President, Chief Financial Officer ensures that resources support the growth of geotechnical and environmental service lines. This role involves rigorous monitoring of project profitability and overhead costs to maintain a strong balance sheet. Renan Pierre-Louis drives financial stability by implementing robust reporting systems that provide transparency for the board and executive team. By evaluating investment opportunities in new technologies, the Vice President, Chief Financial Officer supports the firm's long-term strategic objectives. Pierre-Louis coordinates with department heads to ensure that financial targets align with operational realities. Through disciplined fiscal management, the Vice President, Chief Financial Officer enables the firm to pursue large-scale infrastructure projects while maintaining the financial flexibility required to navigate market fluctuations.
    Renan Pierre-Louis

    Clark Prothero - Chief Operating Officer

    Clark Prothero, the Chief Operating Officer at Raba Kistner, manages the daily execution of engineering consulting projects. Overseeing internal workflows, the Chief Operating Officer ensures that geotechnical and construction materials engineering teams maintain strict quality control standards. This role requires constant coordination with project managers to optimize resource allocation during the design and construction phases. Clark Prothero drives operational excellence by implementing standardized processes that reduce risk for clients throughout the capital investment life cycle. By monitoring project timelines and budget adherence, the Chief Operating Officer supports the firm's commitment to delivering reliable technical solutions. Prothero focuses on streamlining communication between field technicians and office-based engineers to enhance productivity. Through this disciplined approach to operations, the firm achieves consistent project delivery across regional markets, reinforcing the reputation of the organization as a trusted partner in complex infrastructure development.

    Newel White - Associate Chief Operating Officer

    Newel White, the Associate Chief Operating Officer at Raba Kistner, supports the execution of complex project management services. Focusing on the operations and maintenance phase, the Associate Chief Operating Officer ensures that client assets remain functional and compliant with industry standards. This role involves coordinating with technical teams to address specific geosciences challenges that arise during the project life cycle. Newel White drives efficiency by refining internal protocols for site assessments and material testing. By collaborating with senior leadership, the Associate Chief Operating Officer aligns operational activities with the broader corporate mission of risk mitigation. White monitors performance metrics to identify areas for process improvement, ensuring that the firm delivers high-value engineering consulting. Through meticulous attention to detail, the Associate Chief Operating Officer maintains the integrity of project data, which directly supports the firm's ability to provide actionable insights for large-scale capital investments.

    Gabriel Ornelas - Senior Vice President and Chief Operating Officer

    Gabriel Ornelas, the Senior Vice President and Chief Operating Officer at Raba Kistner, directs the strategic execution of large-scale construction phase services. Overseeing the management of complex projects, the Senior Vice President and Chief Operating Officer ensures that engineering consulting teams deliver results that meet rigorous safety and quality standards. This role involves fostering relationships with key stakeholders to ensure project alignment with client expectations. Gabriel Ornelas drives operational growth by expanding the firm's presence in major infrastructure markets. By mentoring project managers and technical staff, the Senior Vice President and Chief Operating Officer cultivates a culture of excellence and accountability. Ornelas monitors market trends to anticipate client needs, ensuring that the firm remains a preferred partner for capital investment projects. Through proactive leadership, the Senior Vice President and Chief Operating Officer optimizes project delivery, ensuring that the firm consistently achieves high performance across all construction and design phases.
    Gabriel Ornelas

    Frank Holzmann - Chief Operating Officer, Infrastructure

    Frank Holzmann, the Chief Operating Officer, Infrastructure at Raba Kistner, leads the operational strategy for the firm's infrastructure division. Overseeing the planning and execution of major transportation and utility projects, the Chief Operating Officer, Infrastructure ensures that engineering consulting services address the specific needs of public and private sector clients. This role involves coordinating with geosciences and geotechnical teams to provide comprehensive solutions for complex infrastructure challenges. Frank Holzmann drives project success by implementing efficient management practices that minimize risk during the construction phase. By focusing on operational scalability, the Chief Operating Officer, Infrastructure supports the firm's ability to handle large-scale capital investments. Holzmann monitors project performance to ensure that all deliverables meet safety and regulatory requirements. Through this specialized focus, the Chief Operating Officer, Infrastructure strengthens the firm's market position, ensuring that infrastructure projects are completed on time and within budget constraints.
    Frank Holzmann

    Russel Lenz - Division Infrastructure President & Chief Operating Officer

    Russel Lenz, the Division Infrastructure President & Chief Operating Officer at Raba Kistner, directs the strategic development of the infrastructure division. Overseeing the integration of engineering consulting services with client project goals, the Division Infrastructure President & Chief Operating Officer ensures that the firm provides high-value support throughout the project life cycle. This role involves managing cross-functional teams to deliver geotechnical and construction materials engineering solutions for major infrastructure developments. Russel Lenz drives business development by identifying new opportunities in the infrastructure sector and building strong client partnerships. By focusing on operational efficiency, the Division Infrastructure President & Chief Operating Officer ensures that project teams maintain high productivity levels. Lenz monitors industry standards to ensure that the firm remains at the forefront of engineering innovation. Through this leadership, the Division Infrastructure President & Chief Operating Officer supports the firm's growth, ensuring that infrastructure projects are executed with precision and technical excellence.
    Russel Lenz

    Rafael Barrera - President

    Rafael Barrera, the President at Raba Kistner, oversees the strategic direction and business development initiatives for the firm. Focusing on the expansion of engineering consulting services, the President ensures that the organization maintains its commitment to addressing the complete life cycle of client capital investments. This role involves engaging with industry leaders to identify emerging market trends in geotechnical and environmental sciences. Rafael Barrera drives corporate growth by fostering a culture of innovation and technical excellence across all service areas. By aligning the firm's capabilities with the evolving needs of the construction industry, the President ensures that the organization remains a trusted advisor for complex projects. Barrera coordinates with the executive team to refine operational strategies that enhance project delivery and client satisfaction. Through this leadership, the President secures the firm's long-term viability, ensuring that the organization continues to provide high-quality engineering solutions for diverse infrastructure challenges.

    S. Evans - Vice President & Chief Technology Officer

    S. Evans, the Vice President & Chief Technology Officer at Raba Kistner, architects the digital infrastructure that supports engineering consulting services. Overseeing the integration of advanced data analytics and software tools, the Vice President & Chief Technology Officer ensures that geotechnical and environmental teams utilize cutting-edge technology for site analysis. This role involves securing the firm's digital assets and optimizing internal communication platforms to enhance collaboration. S. Evans drives innovation by identifying emerging technologies that improve the accuracy of construction materials testing and project reporting. By aligning technical capabilities with client needs, the Vice President & Chief Technology Officer supports the firm's mission to provide data-driven solutions for capital investments. Evans manages the implementation of scalable systems that allow for seamless data sharing across regional offices. Through this focus on technological advancement, the Vice President & Chief Technology Officer maintains the firm's competitive advantage in the engineering sector.

    Explore Leadership Teams in Architecture, Engineering & Design

    Frequently Asked Questions Regarding Raba Kistner Top Executives and Leadership Team

    Who leads Raba Kistner?
    Raba Kistner is led by Chris 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 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 9 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, Associate Chief Operating Officer, Senior Vice President and Chief Operating Officer.