Tetra Tech Executive and Leadership Team

Roger Argus, the Chief Executive Officer at Tetra Tech, directs the overarching corporate strategy and global operational vision. Overseeing the firm's expansive portfolio in water, environment, and infrastructure, the Chief Executive Officer ensures alignment between technical service delivery and long-term market growth. This leadership role involves constant engagement with the Board to refine business models for complex environmental restoration and energy solutions. By prioritizing sustainable engineering practices, Argus drives the company's competitive advantage across North America, Europe, and Asia. The Chief Executive Officer maintains rigorous standards for project execution, ensuring that all divisions meet the evolving needs of government and industrial clients. Through consistent focus on high-value consulting, Roger Argus secures the firm's position as a leader in global resource management and civil infrastructure planning.

Steven Burdick, the Executive VP & Chief Financial Officer at Tetra Tech, manages the firm's fiscal health and capital allocation strategies. Overseeing financial reporting, budgeting, and risk management, the Executive VP & Chief Financial Officer ensures the company maintains the resources necessary for large-scale infrastructure and environmental projects. This leadership role involves analyzing market trends to support investment in energy solutions and resource management technologies. By optimizing financial performance, Burdick provides the stability required for long-term growth across North America and international markets. The Executive VP & Chief Financial Officer works with the Board to communicate financial results and strategic priorities to stakeholders. Through disciplined fiscal oversight and strategic planning, Steven Burdick supports the company's mission to deliver complex, sustainable solutions while maximizing value for clients and shareholders alike.

Jan Auman, the President & Senior Vice President, International Development Services at Tetra Tech, leads the firm's expansion and service delivery in global markets. Overseeing international development initiatives, the President & Senior Vice President, International Development Services coordinates complex engineering and consulting projects across diverse geographic regions. This role involves managing relationships with international government agencies and industrial partners to provide sustainable solutions for infrastructure and water resources. By directing cross-border teams, Auman ensures that the company's expertise in environmental restoration and civil planning reaches clients in Asia, Australia, and the Middle East. The President & Senior Vice President, International Development Services integrates local market insights with global technical standards to drive project success. Through this leadership, Jan Auman expands the firm's international influence and operational capacity in critical development sectors.

Jonathan Burgiel, the President, Business Unit at Tetra Tech, manages the operational performance and strategic direction of a core business segment. Overseeing the execution of specialized engineering and construction management services, the President, Business Unit ensures that project teams deliver high-quality results for commercial and industrial clients. This role involves streamlining internal processes to improve efficiency in waste management and infrastructure planning. By fostering a culture of technical excellence, Burgiel drives the business unit's contribution to the company's overall market impact. The President, Business Unit collaborates with other division leaders to share best practices and leverage the firm's global expertise. Through focused management of resources and talent, Jonathan Burgiel ensures that the business unit meets its performance targets while advancing the company's commitment to sustainable and innovative engineering solutions.

Meegan Sullivan, the Division President (Asia Pacific) at Tetra Tech, directs all operations and strategic growth initiatives throughout the Asia Pacific region. Overseeing the delivery of water, environment, and infrastructure services, the Division President (Asia Pacific) ensures that regional projects align with the company's global standards for sustainability and technical precision. This role involves managing client relationships with government agencies and industrial enterprises to address complex environmental challenges. By expanding the firm's presence in the region, Sullivan drives the adoption of advanced engineering and resource management solutions. The Division President (Asia Pacific) coordinates with global leadership to implement corporate strategies while adapting to local market nuances. Through effective operational management and business development, Meegan Sullivan strengthens the company's competitive position and project portfolio across the Asia Pacific landscape.

Lauren Springer, the Division President at Tetra Tech, leads a key operational division focused on delivering specialized consulting and engineering services. Overseeing the execution of environmental restoration and infrastructure projects, the Division President ensures that teams meet rigorous quality and safety standards. This role involves managing the division's financial performance and resource allocation to support client objectives in energy and resource management. By driving operational excellence, Springer enables the division to tackle complex challenges for government and commercial clients. The Division President collaborates with other leaders to integrate scientific research and data collection into project workflows. Through strategic oversight and team development, Lauren Springer ensures that the division remains a vital contributor to the company's global mission of providing sustainable and innovative infrastructure solutions.

Olivier Jeannot, the Division President, Federal Information Technology at Tetra Tech, architects the digital solutions and IT services provided to federal government clients. Overseeing the implementation of secure information technology systems, the Division President, Federal Information Technology ensures that federal agencies receive high-level support for data management and infrastructure planning. This role involves aligning IT capabilities with the firm's broader engineering and scientific research services to provide comprehensive solutions. By managing complex federal contracts, Jeannot drives the division's growth and operational success. The Division President, Federal Information Technology works with cross-functional teams to integrate advanced technology into environmental and infrastructure projects. Through strategic leadership and technical expertise, Olivier Jeannot ensures that the division delivers reliable, innovative, and secure IT solutions that meet the unique requirements of federal government partners.

Stephane D'Amours, the President, Tetra Tech QE Inc at Tetra Tech, leads the specialized operations and strategic initiatives of the QE subsidiary. Overseeing the delivery of high-quality engineering and consulting services, the President, Tetra Tech QE Inc ensures that the subsidiary's projects align with the firm's commitment to sustainable infrastructure and environmental management. This role involves managing technical teams and client engagements to provide tailored solutions for complex civil and environmental challenges. By focusing on operational efficiency and service excellence, D'Amours drives the subsidiary's growth and market impact. The President, Tetra Tech QE Inc collaborates with the broader organization to leverage shared expertise and resources. Through dedicated leadership and a focus on technical innovation, Stephane D'Amours ensures that the subsidiary consistently delivers value to clients while upholding the company's reputation for excellence.

Craig Christensen, the Senior VP & Chief Information Officer at Tetra Tech, architects the digital infrastructure and data management frameworks supporting global operations. Managing the integration of advanced information technology into engineering workflows, the Senior VP & Chief Information Officer optimizes data collection and monitoring capabilities for complex environmental projects. This role involves securing enterprise-wide systems while deploying scalable software solutions that enhance scientific research and construction management efficiency. By modernizing the firm's technological backbone, Christensen enables seamless collaboration across international offices. The Senior VP & Chief Information Officer works closely with other C-suite leaders to leverage data analytics for improved project outcomes and operational transparency. Ultimately, Craig Christensen ensures that the company maintains a robust, secure, and innovative digital environment to support diverse client requirements worldwide.

Gabriel Clauzet, the Chief Technology Officer, Diretor Comercial at Tetra Tech, drives the intersection of technical innovation and commercial expansion. Overseeing the development of specialized engineering tools, the Chief Technology Officer, Diretor Comercial identifies new market opportunities for water resources management and civil infrastructure planning. This dual-focused role involves translating complex scientific research into actionable commercial strategies that attract government and industrial clients. By aligning technological advancements with regional business needs, Clauzet expands the firm's footprint in emerging markets. The Chief Technology Officer, Diretor Comercial collaborates with project teams to implement cutting-edge solutions for climate change consulting and waste management. Through strategic market positioning and technical leadership, Gabriel Clauzet accelerates revenue growth while maintaining the company's reputation for delivering high-quality, sustainable infrastructure solutions across diverse global territories.