Hayward Baker Inc. is the leading Ground Modification specialty contractor in North America. As part of the worldwide Keller Group, Hayward Baker provides a range of geotechnical engineering and construction services to improve soil in place and to rehabilitate foundations. Its innovative technologies are instrumental in the successful resolution of many difficult ground engineering problems ranging from sinkholes to liquefiable soils.

Hayward Baker presents seminars in various regions of the US. The speakers include many respected experts in the area of ground modification. The following individuals have served as the speakers of the seminars: Christopher M. Kenney, P.E.; James D. Hussin, P.E.; Nigel Osborn, C.Eng; Mark E. Plaskett, P.E.; Joseph P. Welsh, PE; Joseph Cavey, P.E.; Andrew Anderson, P.E.; Andy Peterson; Jim Cahill; Chris Kenney; Andrew Brengola, P.E.; Eric Drooff; Francis Gularte, R.G.E.; Alan Ringen, P.E.; Mark Koelling. P.E.; Art Pengelly; Dennis Boehm; Bruce Stover, PG; John Wolosick, PE; Jeff Hill, PE; Kyle Camper, PE; Ray Franz, PE; and Frank Sweskosky, PE; Tim Avery, PE; Mark Koelling, PE; Alan R. Ringen, PE; Roberto Lopez, PE; Francis Gularte, RGE.