Mark A. Rynning
President, Resilient and Sustainable Infrastructure Division
Mr. Rynning has more than 30 years of experience in the engineering consulting industry, including 27 years with Tetra Tech. He is a registered Professional Engineer and has served Tetra Tech in numerous capacities including project manager, operations manager, and operating unit leader. He has managed large water infrastructure programs for state and local agencies throughout the United States. Mr. Rynning has broad experience in water and wastewater infrastructure planning and design, utility master planning, and water and wastewater transmission and collection system design. In addition, Mr. Rynning has planned and designed reverse osmosis water treatment plants and advanced wastewater treatment systems. He has provided expert advisory services to numerous municipal clients for utility system acquisitions. He holds a BS in Civil Engineering and an MBA, both from the University of Florida.