Wesley Spang is a principal geotechnical engineer with AMEC Earth and Environmental, Portland, Oregon. Mr. Spang has 15 years of geotechnical engineering consulting experience, mainly in foundation engineering design and earthquake engineering. His foundation design has emphasized waterfront structures, commercial buildings and industrial facilities. His earthquake engineering work has included evaluation of sites for earthquake-induced damage including liquefaction, lateral spreading and ground amplification. Mr. Spang earned his BS and MS in civil engineering from Purdue University and his Ph.D. in civil engineering from Georgia Institute of Technology. He is also an adjunct professor at Portland State University in the Civil Engineering Dept.