Sam S. Khalilieh is an experienced leader in the fields of advanced manufacturing and mission-critical operations, currently serving as the National Director at Tetra Tech since 2020. Prior roles include Vice President and General Manager at Middough Inc., Chief Operating Officer at StrateSphere/MCB, and Senior Vice President at WD Partners, where responsibilities spanned operations and engineering across multiple regions including the US, Canada, and Asia Pacific. Khalilieh's career also includes significant positions at AECOM, Tyco, and Jones & Henry Engineers, demonstrating expertise in project management and engineering. Educational qualifications include a Post Graduate degree in Executive Business Management from the University of Notre Dame and a Bachelor of Science in Electrical Engineering from The University of Toledo.