Mr. Yan Dong ( 董彦 ): Gulf of Mexico Reservoir Engineering Lead with Repsol. His areas of responsibility are exploration, appraisal, development, and production of Repsol’s assets in the US. Prior to Repsol, he worked for Shell and Chevron. He earned his Master’s and Bachelor’s degrees in Petroleum Engineering from The University of Texas at Austin and University of Petroleum, respectively. He is a registered professional engineer in the state of Texas. He is interested in all aspects of reservoir engineering, especially reservoir simulation, well testing, and SCAL. He enjoys reading, traveling, and exercising.