John is currently president and CEO of Seattle-based Hydroacoustic Technology Inc. (HTI), a company that develops and applies acoustical equipment for remotely monitoring fish populations. He has been part owner of HTI since 1988. Prior to assuming his current position at HTI, he was the Director of the Information, Electronics and Avionics Technology organization at Boeing. His Boeing organization was responsible for R&D in the areas of electromagnetics, solid state electronics, RF electronics and phased arrays, microsystems, optical technology and photonics. The organization carried out research sponsored by a number of Government agencies including DARPA, Air Force, and Navy as well as Boeing sponsored R&D. Prior to joining Boeing in 1987, Ehrenberg was a Research Professor in Electrical Engineering and at the Applied Physics Laboratory at the University of Washington. His research focused on the development of signal processing techniques for underwater acoustic and communications systems and for oceanographic and geophysical instrumentation. Ehrenberg received his BSEE from Seattle U, his SMEE from MIT and his PhD in EE from the University of Washington. John Ehrenberg and his wife Kathy live in Seattle.