PASADENA, Calif.–(BUSINESS WIRE)– #environment–Tetra Tech, Inc. (NASDAQ: TTEK), a global provider of high-end technical and engineering services, Leading with Science® in water, environment and sustainable infrastructure, announced today the promotions of Lauren Springer to President of the Government Services Group and David Bohmann to President of the Commercial/International Group, our two reporting segments. “Lauren and David are exceptional leaders who combine deep technical expertise with a strong re