Kenneth Ned Mitchell. He began his career at ERDC in the fall of 2006, working within the Coastal Engineering Branch of the Coastal and Hydraulics Laboratory in Vicksburg, Mississippi. In addition to navigation portfolio management studies – the subject of his paper here – he has assisted with design of the Lightweight Modular Causeway System and has also worked on hurricane surge risk assessments. He holds a masters degree in civil engineering from Vanderbilt University and has recently been awarded a PhD through the same department. He is currently a Research Civil Engineer, U.S. Army Engineer Research and Development Center, Coastal and Hydraulics Laboratory in Vicksburg.