Deyary has a good experience in technical, economic and strategic consulting, in the past Deyary worked as advisor to the International Oil and Gas companies, regulators and governments on oil and gas market restructuring, strategic, regulatory, supply & demand analysis, pricing benchmarking and forecasting as well as gas monetization and reserve certification. Deyary worked on a project of Gas supply analysis in Bahrain for Gas de France and conducted a petroleum products market study for Sasol in the US, China and India. Deyary was part of a team evaluating the assets of a Romania gas distribution company on behalf of Gazprom. Deyary has experience of a wide variety of international oil and gas projects including an LPG economic study in Kenya and East Africa. Worked on Gas and Petroleum market study in Yemen, Ethiopia and Mozambique. Deyary provided commercial support to Kuwait National Oil Corporation in their negotiation with one of the oil majors to develop a heavy oil field in Kuwait.