Joseph (Tom) Taylor
Project Manager/Founder

Mr. Taylor has worked in various capacities in the geotechnical field since 1970.  He spent the first 31 years of his career with the Florida Department of Transportation prior to entering the consulting field.  His vast experience ranges from performing soils surveys to developing specifications and design criteria.   He was one of the core group of individuals which received the initial PDA training offered to FDOT.


James B. Keisel
Principal Engineer/Founder

Mr. Keisel has worked in various capacities of construction since 1985.  He has been involved with foundation engineering for numerous projects throughout the United States and abroad since 1990.  A majority of that time has included extensive experience using PDA equipment and software in conjunction with a leadership role involving dynamic pile testing activities for a large geotechnical consulting firm.  Mr. Keisel has employed dynamic testing equipment on over 5,000 test piles on over 600 foundation construction projects.  Those projects have included large expressways, bridges, piers, wharves, import/export terminals and commercial structures.
 
Christopher L. Lewis, M.S., P.E.
Principal Engineer/Founder

Mr. Lewis has worked in various capacities of construction since 1991.  He has been involved with foundation engineering projects throughout the United States and abroad since 1997.  He has been involved with several high profile design and construction phase load test programs including: the Woodrow Wilson Bridge, the Cooper River Bridge, the Taipei Financial Center (currently the World's Tallest Building) and most recently the LA-1 Bridges.  Responsibilities on these projects included reviewing and assisting in the development of specifications to develop and implement load test programs, reducing raw data to provide design values and result reporting.


Gray Mullins, Ph.D., P.E.
Technical Director/Partner

Dr. Mullins is an Associate Professor at the University of South Florida.  He has developed an expertise in several areas of deep foundation engineering.  Specific areas include: the design, analysis and construction technique review of drilled shafts; repair of foundation members utilizing Carbon Fiber Reinforced Polymer products; and various techniques of foundation testing.  This expertise has been gained from numerous research projects involving Post-Grouted Drilled Shafts, Analysis Techniques for Axial and Lateral Rapid Load Testing, Repair of Corrosion Damaged Concrete Piling and the Effects of Water Table of Drilled Shaft Integrity.  He has also served as a Technical Consultant for numerous public and private construction projects. Responsibilities on these projects included reviewing and assisting in the development of specifications to develop and implement load test programs, reducing raw data to provide design values and result reporting.


Lawrence D. Spears, M.S., P.E.
Principal Engineer/Partner

Mr. Spears has worked in various capacities of engineering design and construction for over 20 years.  He has over 18 years of experience in foundation engineering covering projects throughout Florida.  He has been involved with several high profile transportation projects including:  Project Manager for the Gandy Bridge load test program, Engineer of Record for the I-95/SR9A Interchange in Jacksonville, and most recently the Engineer of Record for the I-275 Segment 2A in downtown Tampa, and the John's Pass Bridge, Bellaire Bridge, and Treasure Island Bridges in Pinellas County.  His specialties include: driven pile and drilled shaft design and construction in Florida limestone and knowledge of Florida Department of Transportation 455 Specification.  He has also provided his unique knowledge as an instructor for the FDOT CTQP Inspector's Qualification Training Programs for Driven Pile and Drilled Shafts.  Mr. Spears has provided dynamic load testing on driven pile on 100's of bridges in Florida spanning all of the FDOT districts including Florida's Turnpike since 1993.  Mr. Spears has provided FDOT Geotechnical design recommendations in Districts 1, 2, 3, 4, 5, 6, and 7.


Danny Winters, Ph.D, P.E

Dr. Winters has worked in foundation engineering for numerous projects throughout the United States and abroad since 2000. He has been involved with several high profile design and construction phase verification test programs including: the PGA Blvd Instrumentation & Statnamic Load Testing of Pressure Grouted Drilled Shafts, the Trump Towers Post Grouting Pilot Program in Rock Sockets, Ocala Judicial Building Extension, I-35W St. Anthony Falls Bridge, Grove Isle FRP Bridge Repair, and most recently SR 83 over Choctawhatchee Bay. Responsibilities on these projects included reviewing and assisting in the development of specification, collecting and reviewing test data and report results. His specialties include: Pile Driving Analyzer (PDA), WEAP, CAPWAP Analysis, Thermal Integrity Testing, Pile Integrity Testing (PIT), Rapid Load Testing (Statnamic and RLT), static load testing, foundation design, cross-hole sonic logging, FRP design and implementation, and data collection and instrumentation.