Dr. Guest (Ph.D., Geology) has been working internationally in the oil and gas industry for more than 25 years. Prior to joining Valeura, he was the CEO of two private junior companies. Bukit Energy is a Calgary-based startup focused on Indonesia, and Pexco Energy holds production and exploration assets in Australia-Asia region and East Africa. During his tenure, Pexco was producing ~10,000 boepd from its assets in Indonesia and Australia. While running Pexco, he resided in Jakarta, Indonesia and oversaw the company's first operated development of an oil field in Sumatra. The company also expanded their gas production in Australia with the development of a new offshore gas field and upgrades and debottlenecking of the associated onshore gas plant. Prior to his CEO roles, he also worked for Woodside in Australia and Libya, and for Shell in the Netherlands, Australia and Malaysia. He started his career with Schlumberger working in Egypt.

Education: B.Sc. Geological Engineering, Queen's University, 1985; Ph.D. Geological Sciences, 1993.