Dr. Ralf Birken is a near-surface geophysicist and an entrepreneur running his second startup. Before founding and joining StreetScan Inc. (www.streetscan.com) as their CEO he was a Research Assistant Professor of Civil and Environmental Engineering at Northeastern University from 2009 until the summer of 2015. Throughout his career he has managed large research and engineering projects and teams, successfully written research and project proposal, run a small company, and been an advisor and mentor to many students. He received his Ph.D. in Geophysical and Geological Engineering from The University of Arizona in 1997 and a MS in Geophysics from the University of Cologne, Germany in 1992. He completed a Post-Doc in 2000 with the Lamont-Doherty Earth Observatory of Columbia University before joining Witten Technologies Inc., a start-up that commercialized the first GPR arrays for utility mapping. Dr. Birken is an expert in applied electromagnetic geophysics and has over 20 years of research and engineering experience in industry and academia in near-surface geophysical mapping, designing new mobile measurement systems, dealing with Big Data sets, and sensor technology mainly for civil infrastructure health monitoring applications. He is an inventor listed on 6 patents and 2 pending patent applications, and the author of 4 book chapters, more than 13 journal publications, over 60 conference proceedings, and over 30 other miscellaneous publications, posters, or major technical reports. Since 2011 he is a Gordon mentor to Fellows accepted to the Gordon Engineering Leadership Institute.