Federal Signal Corp. (Oak Brook, Ill.): Scott Rohrbaugh, was appointed to the newly-created position of V.P., business development and innovation, reporting to Federal Signal's chief administrative officer, Jennifer Sherman. Rohrbaugh has handled progressively increased responsibility while serving in a number of capacities with Northrop Grumman Corp. Most recently, he acted as operating unit technologist for sourcing and developing technology for application to U.S. Army programs and chief scientist of Radiometric programs at Northrop Grumman's Integrated Platform Systems operation. Prior to that, he was a senior scientist at Northrop Grumman Adaptive Optics Associates, and a systems engineer with Northrop Grumman's ICBM Prime Integration Contract group in Clearfield, Utah. He has a doctorate and undergraduate degree in physics from the University of Virginia.