Henry W. Posamentier is a worldwide consultant in seismic and sequence stratigraphy with a focus on lithofacies prediction risk issues. He recently retired from Chevron Energy Technology Company where he was a Senior Geological Advisor consulting for exploration and development business units worldwide on a wide range of geological issues. Before coming to Chevron he was with Anadarko Petroleum Corporation where he served as Chief Geologist. Earlier he was with the Atlantic Richfield Co. (1991-2000), Exxon Production Research Co. and Esso Resources Canada, Ltd. (1979-1991).
Posamentier's research interests have been in the fields of sequence stratigraphy and depositional systems analysis, where he has published widely. Most recently, he has employed an interdisciplinary approach to the predication of lithofacies distribution through time and space by integrating stratigraphy, geomorphology, and depositional systems analysis, using 3D seismic visualization integrated with borehole data. In 1971-1972, Henry Posamentier was a Fulbright Fellow to Austria. He has served as an AAPG Distinguished Lecturer to the United States (1991-1992), an AAPG Distinguished Lecturer to the former Soviet Union (1996-1997), an AAPG Distinguished Lecturer to the Middle East (1998-1999), and an AAPG Distinguished Lecturer to Europe (2005-2006). Most recently (2008) he was awarded the Pettijohn Medal for excellence in sedimentology from the Society for Sedimentary Geology (SEPM).