Brian L. Steward is Professor of Agricultural and Biosystems Engineering at Iowa State University.  Dr. Steward teaches in the areas of dynamic systems modeling and simulation, fluid power engineering and technology, computational intelligence, and sustainable engineering.  His research focuses on the areas of dynamic systems and sensing for agriculture and biosystems, precision agriculture, and field automation and mechatronics at the interface of machine and environment. He is a member of the American Society of Agricultural and Biological Engineers in which he been an associate editor of ASABE journals for over ten years and currently chairs the ASABE Textbook and Monograph Committee.  He has over 230 technical publications and presentations including 47 refereed journal articles and 55 invited talks.  He has received more than $6.7 million in grants and contracts as a principal investigator or co-principal investigator. Dr. Steward received his BS and MS in Electrical Engineering from South Dakota State University, and his Ph.D. in Agricultural Engineering from the University of Illinois at Urbana-Champaign.