Garland Likins, P.E., M.ASCE, is president of Pile Dynamics, Inc., a manufacturer of quality assurance products for deep foundations. He is a licensed Professional Engineer in Ohio and also a principal of GRL Engineers, Inc., providers of deep foundation testing services. In his more than 40 years since participating in the original dynamic pile testing research at Case Western Reserve University, Garland has performed countless field tests and directed the development of several field testing products for deep foundations. He is active in the American Society for Testing and Materials (ASTM), the Association of Drilled Shaft Contractors (ADSC), the Deep Foundation Institute (DFI), and Pile Driving Contractors Association (PDCA), and serves on many of their active committees. He has authored numerous publications and is a frequent lecturer on quality assurance of all types of deep foundations.