President of the central region of the Engineering Architectural Group of Tetra Tech, Inc. in Tulsa, Oklahoma. He has been a consulting engineer for 34 years focusing on water and wastewater projects. He has been with Tetra Tech for 26 years. Mr. Nelson holds a B.S. degree in civil engineering from Kansas State University and a M.S. degree in environmental engineering from Oklahoma State University. Mr.

President of the central region of the Engineering and Architectural Services group of Tetra Tech, Inc. in Tulsa, Okla. He has been a consulting engineer for 34 years, focusing on municipal water and wastewater projects. He has been with Tetra Tech for 27 years. He holds a B.S. degree in civil engineering from Kansas State University and a M.S. degree in environmental engineering from Oklahoma State University. Nelson is licensed as a professional engineer in four states and holds Class A operator licenses in Oklahoma for waterworks and wastewater works. Nelson served

Dakota. He received a Ph.D. from the University of Illinois with an emphasis in geotechnical engineering. During a 39-year career as an educator, he served on the faculties of the University of North Dakota, Ohio Northern Univeristy, and the University of Illinois. Phillips has been an active member of the National Society of Professional Engineers serving as National President in 1994-95. He currently serves NSPE on the Board of Ethical Review, as a member of the Licensure and Qualifications for Practice Committee, and as Chair of the Council of Fellows Executive Committee. He served a five-year term, including Chair, on the North Dakota Board of Registration for Professional Engineers and Land Surveyors. Over the past decade he has chaired and served on numerous task forces and committees of the National Council of Examiners for Engineering and Surveying involved with promoting licensure. He currently represents NCEES on the ABET Board of Directors. He is a Fellow and past two-term North Dakota section President of ASCE and served as Chair of the Experiential Fulfillment Committee of ASCE's Committee on Academic

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