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Bob Steen is a highly experienced Director currently working at Princeton Consultants since February 1998. Bob also holds the position of Director at CSX since April 2009. Previously, Bob has worked with companies like Morgan Stanley, NetJets, Inc, Dow Jones & Co, and Prudential in various consultant roles. Bob has a PhD in Space Physics and Astronomy from Rice University and a BS in Physics from Calvin University. Bob's work has included projects in a wide range of industries, focusing on System Integration, Project Management, and Locomotive Systems, with a particular interest in Positive Train Control.