UES Executive and Leadership Team

May, 2026

Leadership Overview

UES has 9 executives leading key functions including strategy, finance, operations, and regional management.

Driven by a commitment to innovation, UES delivers technology-driven solutions for sustainable infrastructure, supporting projects from development to redevelopment across diverse sectors and enhancing client success through expert engineering and earth sciences.

Leadership Roles at UES

  • Chief Executive Officer - David Witsken
  • Chief Financial Officer - Stephen Statuto
  • Chief Financial Officer, Southeast - Clint Johnson
  • Chief Financial Officer, Texas & Midwest Regions - Kevin Ertel
  • Chief Operating Officer - Travis Merrick
  • President - Isidro Fernandez-Aballi
  • Regional President - Mark Clatt
  • President Texas Region - Brian Powell
  • President & Senior Environmental Engineer - Thomas Lao
  • David Witsken - Chief Executive Officer

    David Witsken, the Chief Executive Officer at UES, directs the company's overarching strategy and operational execution. Witsken guides UES in providing personalized environmental, testing, inspection, and geophysical services, ensuring technology-driven solutions for sustainable infrastructure development. This leadership role involves aligning departmental objectives with the company's mission to support projects across transportation, water, power, healthcare, education, and industrial sectors. By integrating expertise in environmental and earth sciences with innovative engineering, David Witsken drives the company's capacity to help clients design, build, and maintain resilient and efficient infrastructure. The Chief Executive Officer's focus remains on fostering growth and maintaining UES's position as a leader in engineering and consulting services nationwide.
    David Witsken

    Stephen Statuto - Chief Financial Officer

    Stephen Statuto, the Chief Financial Officer at UES, oversees all financial operations and strategic financial planning. Statuto manages the company's fiscal health, ensuring robust financial controls and driving profitability across all service lines. This executive function involves resource allocation, budgeting, and financial forecasting to support UES's mission of delivering technology-driven solutions for sustainable infrastructure. The Chief Financial Officer's responsibilities extend to optimizing financial performance and supporting strategic investments in innovation and market expansion. Stephen Statuto's leadership ensures financial stability and enables the company to effectively support clients in designing, building, and maintaining resilient infrastructure projects nationwide.

    Clint Johnson - Chief Financial Officer, Southeast

    Clint Johnson, the Chief Financial Officer, Southeast at UES, manages financial operations and strategic fiscal planning for the Southeast region. Johnson ensures financial integrity and drives profitability within this key geographic area, supporting UES's broader mission of delivering technology-driven solutions for sustainable infrastructure. This role involves detailed financial oversight, budgeting, and resource allocation specific to Southeast projects in sectors like transportation, water, and power. The Chief Financial Officer, Southeast's responsibilities include optimizing financial performance and supporting regional growth initiatives. Clint Johnson's financial acumen is vital for enabling clients in the Southeast to design, build, and maintain resilient and efficient infrastructure.

    Kevin Ertel - Chief Financial Officer, Texas & Midwest Regions

    Kevin Ertel, the Chief Financial Officer, Texas & Midwest Regions at UES, directs financial strategy and oversight for these significant operational areas. Ertel ensures sound financial management, driving fiscal responsibility and supporting UES's delivery of technology-driven solutions for sustainable infrastructure. This executive function involves detailed budgeting, forecasting, and resource management tailored to the unique demands of projects across Texas and the Midwest in sectors such as healthcare, education, and industrial development. The Chief Financial Officer, Texas & Midwest Regions' leadership is crucial for optimizing financial outcomes and facilitating client success. Kevin Ertel's financial expertise empowers clients to design, build, and maintain resilient and efficient infrastructure throughout these regions.

    Travis Merrick - Chief Operating Officer

    Travis Merrick, the Chief Operating Officer at UES, directs the company's day-to-day operations and service delivery. Merrick ensures the efficient execution of environmental, testing, inspection, and geophysical services, aligning operational strategies with UES's commitment to technology-driven solutions for sustainable infrastructure. This critical role involves optimizing workflows, managing resources, and enhancing service quality across all project phases, from development to redevelopment. The Chief Operating Officer's oversight supports clients in the transportation, water, power, healthcare, education, and industrial sectors. Travis Merrick's focus on operational excellence drives the company's ability to help clients design, build, and maintain resilient and efficient infrastructure, reinforcing UES's market leadership.

    Isidro Fernandez-Aballi - President

    Isidro Fernandez-Aballi, the President at UES, leads strategic initiatives and operational oversight across key business units. Fernandez-Aballi drives the company's commitment to providing personalized environmental, testing, inspection, and geophysical services, ensuring technology-driven solutions for sustainable infrastructure. This leadership position involves fostering cross-functional collaboration and guiding the development of innovative engineering approaches. The President's focus is on enhancing client support for projects in transportation, water, power, healthcare, education, and industrial sectors. Isidro Fernandez-Aballi's strategic direction ensures UES effectively helps clients design, build, and maintain resilient and efficient infrastructure, solidifying the company's market presence.

    Mark Clatt - Regional President

    Mark Clatt, the Regional President at UES, directs strategic operations and business development within designated geographic areas. Clatt champions UES's delivery of specialized environmental, testing, inspection, and geophysical services, ensuring technology-driven solutions for sustainable infrastructure development. This executive role involves cultivating client relationships and overseeing project execution to meet diverse needs across sectors like transportation, water, and power. The Regional President's responsibilities include driving regional growth and ensuring operational efficiency. Mark Clatt's leadership is instrumental in enabling clients to design, build, and maintain resilient and efficient infrastructure, reinforcing UES's commitment to regional success.

    Brian Powell - President Texas Region

    Brian Powell, the President Texas Region at UES, spearheads strategic leadership and operational management for the Texas market. Powell drives the provision of UES's comprehensive environmental, testing, inspection, and geophysical services, ensuring technology-driven solutions for sustainable infrastructure projects within the region. This role involves cultivating strong client partnerships and overseeing the successful execution of initiatives across transportation, water, power, and industrial sectors. The President Texas Region's focus is on expanding market reach and ensuring service excellence. Brian Powell's leadership ensures clients in Texas can effectively design, build, and maintain resilient and efficient infrastructure.

    Thomas Lao - President & Senior Environmental Engineer

    Thomas Lao, the President & Senior Environmental Engineer at UES, leads strategic direction and provides expert technical oversight for environmental services. Lao champions UES's commitment to delivering technology-driven solutions for sustainable infrastructure, leveraging deep expertise in environmental and earth sciences. This dual role involves guiding project development and ensuring innovative engineering practices are applied across transportation, water, power, healthcare, education, and industrial sectors. The President & Senior Environmental Engineer's focus is on enhancing client outcomes and maintaining high standards of service. Thomas Lao's technical leadership ensures clients can design, build, and maintain resilient and efficient infrastructure.
    Thomas Lao

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    Frequently Asked Questions Regarding UES Top Executives and Leadership Team

    Who leads UES?
    UES is led by David Witsken (Chief Executive Officer), along with executives such as Stephen Statuto (Chief Financial Officer) and Clint Johnson (Chief Financial Officer, Southeast).
    Who is part of UES’s executive team?
    The executive team of UES includes leaders such as David Witsken (Chief Executive Officer), Stephen Statuto (Chief Financial Officer), Clint Johnson (Chief Financial Officer, Southeast) and other senior executives.
    How many executives does UES have?
    UES has 9 executives leading key business areas.
    What roles are included in UES’s leadership team?
    The leadership team of UES includes roles such as Chief Executive Officer, Chief Financial Officer, Chief Financial Officer, Southeast, Chief Financial Officer, Texas & Midwest Regions, Chief Operating Officer.