About the Author

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Dr. Clement A. Ogaja has worked in various capacities as a professor, researcher and geodesist in the United States, Australia, and Kenya. He received a B.Sc. in Surveying from the University of Nairobi in 1997 and a Ph.D. in Geomatics Engineering from UNSW Sydney, Australia, in 2002. Prior to joining NOAA's NGS as a geodesist, he was a GNSS systems specialist at Topcon Positioning Systems, and prior to that, he was a professor at California State University in Fresno from 2007 to 2013 where he taught courses in satellite geodesy, geopositioning, project design, engineering math and computer programming. In addition to his three books, "Geomatics Engineering: A Practical Guide to Project Design", "Applied GPS for Engineers and Project Managers" and "Introduction to GNSS Geodesy", he is author and co-author of several research papers published in international scientific journals and conference proceedings.