Tristan Aspray is Vice President, Research & Technology Development, for ExxonMobil’s upstream business.

Aspray joined Esso Exploration & Productıon U.K. Limited in 1994 as a petroleum geologist, workıng on North Sea fields. In subsequent assignments he has participated in exploration and development projects in areas that include the Gulf of Mexico, Libya, Egypt, Vietnam and Russia.

In 2008, he became an upstream advisor to ExxonMobil's senior management in Dallas, Texas. Aspray was then seconded to XTO Energy Inc., which was acquired by ExxonMobil in 2010. In September 2011, he returned to the United Kingdom to take on the role of Europe Exploration Operations Manager, with a portfolio ranging from onshore shale gas in Germany and Poland to deep water exploration in the Romanian Black Sea. Aspray became Vice President of Business Development, ExxonMobil Exploration Company, in May 2014. In July 2015, he assumed the role of Vice President of Europe/Russia/Caspian, ExxonMobil Exploration Company, and added the Asia Pacific/Middle East regions to his area of responsibility in 2016. He moved into his current role in April 2019.

Aspray is a member of the Geological Society and the American Association of Petroleum Geologists. He also serves on the advisory boards of CASP (formerly the Cambridge Arctic Shelf Programme) and the University of Texas Energy Institute.

Aspray was educated in England, receiving a bachelor’s degree in Geological Sciences from Cambridge University in 1992 and a master’s degree in Basin Evolution and Dynamics from London University in 1993.

Aspray is married with two children. His interests include hiking, kayaking, history, cycling and wildlife photography.