Director since 2005 Experience CEO and director since 2005; Chairman since 2008; President from 2008 to 2019 and from May 2024 to October 2025. Joined Tetra Tech in 1980 and has served in numerous capacities, including arctic research scientist, deepwater oceanographic hydrographer, coastal hydrodynamic modeler, environmental data analyst, project and program manager, and President of the Engineering Division, and, in 2004, was appointed Chief Operating Officer Established the firm s strategic direction and focus on Leading with Science to become the premier global consulting firm focused on water, environment, and sustainable infrastructure Led research and engineering programs in locations in the Arctic and throughout South America, the Middle East, and the United States Serves as corporate sponsor for several of our clients programs and remains engaged in our day-to-day operations Skills and Qualifications Senior leadership; industry and technical experience; government client regulatory experience; business development and M&A; financial sophistication; innovation/technology; international operations; risk oversight; talent management/compensation. BA, Business Administration, University of Washington Age 67