With over 30 years of experience in the IT/GIS field, Mansour Raad is Esri’s lead big data subject matter expert. In this role, he often assists commercial and government customers in implementing big data geospatial solutions. He has performed as team lead in architecting and implementing product solutions for ArcGIS. Mansour holds a master's degree in aerospace engineering from Boston University and frequently blogs on big data topics and examples of geospatial implementations at thunderheadxpler.blogspot.com. He is an adjunct faculty member of John Hopkins University, where he teaches an online advanced placement course on "Big Data Analysis Tools and Techniques."