Board of Directors The Geoprofessional Business Association (GBA) is led by a Board of Directors of 6-9 people.The current GBA Board of Directors is as follows. Laura R. Reinbold, P.E.( President ) Charles L. Head, P.E., P.G.( President-Elect ) Woodward L. Vogt, P.E., D.GE( Secretary/Treasurer ) Tom Blackburn, P.E., G.E., F.ASCE Arthur G. Hoffmann, P.E., D.GE Kenneth R. Johnston Kimberly F. Morrison, P.E., R.G. Alex Sy, Ph.D., P.Eng.