is Vice President Engineering for Moretrench, which is an industry leader in construction dewatering. He is recognized as an expert in the construction dewatering field and is a co-author of Construction Dewatering and Groundwater Control: New Methods and Applications, 3rd Edition, published in 2007. This publication has been acknowledged as the most comprehensive single text available on the subject. Mr. Schmall has more than 25 years of practical experience in the design, installation and maintenance of all types of dewatering and groundwater control systems. He has designed, performed and analyzed numerous full scale pumping tests for owners during the design stages of large civil projects as well as on Moretrench-contracted dewatering projects. He has also performed extensive dewatering in regions of the country known for groundwater bacteria and their effects on dewatering systems, and is skilled in treatment of dewatering systems for such conditions. Mr. Schmall is an accomplished lecturer and frequent contributor to industry conferences and seminars and is active on industry committees. He taught “Groundwater Analysis and the Design of Dewatering Systems,”5-part course instruction for the University of Florida’s annual short course from 2000-2004 (with J. Patrick Powers and Walter Kaeck), and “Construction Dewatering and Ground Water Control: Design and Application,” (with Walter Kaeck), hosted by the National Ground Water Association in 2005.