Howard Feldman is a published expert on clastic systems, focusing on coastal settings and deepwater fans. He spent 26 years at Exxon and ExxonMobil working in a wide range of positions in research, exploration, and production in many basins in North America and around the world. He was the principal instructor of the internal sequence stratigraphy school for 11 years. Previously he spent 7 years in the petroleum section of the Kansas Geological Survey investigating the origin of both clastic and carbonate reservoirs in Pennsylvanian and Mississippian strata. He has a Ph.D. in paleontology from Indiana University. Howard is currently an Affiliate of the Department of Geosciences, Colorado State University in Fort Collins, Colorado.