Mark Johnson

Mark Johnson currently serves as the Senior Vice President of the Global Development Services Division at Tetra Tech, a position held since January 2024. Previously, Mark held the role of Chief Operating Officer for Tetra Tech’s Global Development Services Division from October 2017 to April 2024, overseeing a large team dedicated to providing technical assistance and program management consulting services to various governmental and donor organizations globally. Mark’s extensive experience in international development services includes positions as Senior Vice President at Tetra Tech ARD Inc. from 2009 to 2017, as well as various senior roles at Tetra Tech EM Inc. from 1985 to 2009, including Senior Vice President and Vice President. Mark holds a Master of Business Administration (MBA) in Risk and Insurance Management from the University of Wisconsin-Madison.