Bill Guest has been named a non-executive chairman for Matra Petroleum, succeeding the late Michael Jenkins, the company said in a news release.

With more than 37 years of experience in the upstream oil and gas industry, Guest trained as a geologist and petroleum engineer and spent his early career with Shell International before joining Monument Oil and Gas in 1989, the release stated. He served 10 years as Monument’s technical director, then became the business development director before the company was sold in 1999.

Since that time, Guest has held a number of executive and non-executive board positions within the energy sector as well as providing upstream advisory support to a range of international oil companies through Guest & Associates. He has been a non-executive director of Matra since 2010 and is on the boards of Sacoil Holdings and British European Energy, the release continued.