Tetra Tech Executive and Leadership Team

Arnold Guikema, the Chief Executive Officer at Tetra Tech, directs the company's overarching strategy and global operations. Guikema guides Tetra Tech's mission to provide consulting and engineering services across water, environment, infrastructure, resource management, and energy sectors. This leadership role involves setting the vision for sustainable solutions and ensuring alignment with client needs worldwide. Arnold Guikema oversees the integration of data collection, information technology, scientific research, engineering design, and construction management services. The Chief Executive Officer drives the company's expansion into new markets and strengthens existing client relationships with government agencies, commercial enterprises, and industrial clients. Guikema's focus remains on delivering innovative and effective solutions for complex environmental and infrastructure challenges, reinforcing Tetra Tech's position as a global leader.

Steven Burdick, the Executive VP & Chief Financial Officer at Tetra Tech, manages the company's financial health and strategic fiscal planning. Burdick oversees all financial operations, including accounting, treasury, financial reporting, and investor relations, ensuring robust financial performance and compliance. This executive VP role involves developing and executing financial strategies that support Tetra Tech's growth objectives across its diverse service lines, including water, environment, and infrastructure solutions. Steven Burdick works closely with other senior leaders to allocate capital effectively, manage risk, and optimize profitability. The Chief Financial Officer's responsibilities extend to evaluating potential mergers and acquisitions, driving operational efficiencies, and maintaining strong relationships with financial institutions and stakeholders. Burdick's leadership ensures the financial stability required for Tetra Tech's global project delivery.

Brian Sullivan, the President, Tetra Tech Infrastructure (Northeast) at Tetra Tech, directs the company's infrastructure business within the Northeast region of North America. Sullivan oversees the planning, design, and execution of major infrastructure projects, focusing on civil infrastructure, water resources, and energy solutions. This leadership position involves managing client relationships with government agencies and commercial enterprises throughout the Northeast. Brian Sullivan leads a team of engineers and project managers responsible for delivering complex infrastructure development and operations maintenance services. The President's focus is on driving growth, ensuring project success, and upholding Tetra Tech's commitment to sustainable development in the region. Sullivan's expertise supports the company's broader mission of addressing critical infrastructure challenges.

Emile Shehata, the President, Operating Unit (Iae) at Tetra Tech, leads a specific operational division focused on delivering specialized consulting and engineering services. Shehata directs the strategic growth and operational performance of this unit, ensuring the delivery of high-quality solutions in areas such as environmental restoration, resource management, and climate change consulting. This executive role involves managing a dedicated team and fostering innovation within the operating unit. Emile Shehata works to expand market reach and strengthen client partnerships, serving government agencies and commercial clients. The President's responsibilities include optimizing service delivery, ensuring financial targets are met, and upholding Tetra Tech's standards for technical excellence and client satisfaction. Shehata's leadership drives the success of the IAE operating unit.

Pat Marchione, the President, Operating Unit at Tetra Tech, commands a key operational segment of the global consulting and engineering firm. Marchione drives the strategic direction and day-to-day management of this unit, focusing on delivering comprehensive services in water, environment, and infrastructure. This leadership role involves overseeing project execution, client engagement, and business development within the assigned operating unit. Pat Marchione leads teams of professionals dedicated to providing data collection, engineering design, and construction management solutions. The President's objective is to ensure operational excellence, foster innovation, and achieve sustainable growth for the unit. Marchione's efforts contribute directly to Tetra Tech's mission of solving complex environmental and infrastructure challenges for clients worldwide.

Jonathan Burgiel, the President, Business Unit at Tetra Tech, directs the strategic operations and growth of a specific business segment within the company. Burgiel oversees the delivery of specialized consulting and engineering services, focusing on areas such as resource management, energy solutions, and environmental consulting. This executive position involves leading a dedicated team to achieve business objectives and enhance client satisfaction. Jonathan Burgiel is responsible for market expansion, fostering innovation, and ensuring the successful execution of projects for government and commercial clients. The President's mandate includes driving profitability, managing resources effectively, and maintaining Tetra Tech's reputation for technical expertise. Burgiel's leadership strengthens the capabilities of the business unit.

Pierre Labrie, the President at Tetra Tech, leads a significant operational division of the global consulting and engineering firm. Labrie directs the strategic initiatives and operational execution for this unit, focusing on delivering expert solutions in water, environment, and infrastructure. This presidential role involves overseeing project portfolios, managing client relationships, and driving business development efforts. Pierre Labrie leads a team of technical experts and project managers committed to providing high-quality engineering design, construction management, and operations maintenance services. The President's goal is to ensure the unit's profitability, foster innovation, and uphold Tetra Tech's commitment to sustainable development. Labrie's leadership enhances the company's capacity to address complex global challenges.

Stephane D'Amours, the President, Tetra Tech QE Inc at Tetra Tech, leads the company's operations in Quebec, Canada. D'Amours directs the strategic planning and execution of consulting and engineering services within this specific regional entity, focusing on water, environment, and infrastructure projects. This leadership role involves managing local teams, fostering client relationships with government and commercial entities in Quebec, and ensuring compliance with regional regulations. Stephane D'Amours oversees the delivery of specialized expertise in areas such as civil infrastructure planning, environmental restoration, and resource management. The President's objective is to drive growth, ensure project success, and uphold Tetra Tech's global standards for technical excellence and sustainability within the Quebec market. D'Amours' leadership strengthens Tetra Tech's presence in Canada.

Behzad Behtash, the Chief Technology Officer & Director, Information Technology at Tetra Tech, spearheads the company's technological innovation and IT infrastructure. Behtash directs the development and implementation of advanced technologies that enhance Tetra Tech's service offerings in areas like environmental restoration, water resources management, and energy solutions. This critical role involves leveraging data collection, monitoring, and information technology to provide cutting-edge solutions for clients. Behzad Behtash oversees the IT department, ensuring secure, efficient, and scalable systems that support global operations across North America, Europe, Asia, Australia, and the Middle East. The Chief Technology Officer's mandate includes exploring emerging technologies and digital transformation initiatives to maintain Tetra Tech's competitive edge. Behtash drives technological advancements that underpin the company's engineering design and construction management services.

Craig Christensen, the Senior VP & Chief Information Officer at Tetra Tech, leads the strategic direction and execution of the company's information systems. Christensen ensures that Tetra Tech's IT infrastructure effectively supports its global consulting and engineering operations, particularly in water, environment, and infrastructure sectors. This senior VP role focuses on enhancing operational efficiency and data security across all business units. Craig Christensen oversees the management of enterprise-wide IT solutions, including software deployment, network management, and cybersecurity protocols. The Chief Information Officer works to integrate technology seamlessly into project delivery, from scientific research and engineering design to construction management and operations maintenance. Christensen's leadership ensures that Tetra Tech leverages information technology to provide superior client service and achieve complex project objectives worldwide.