Roger has more than 25 years of experience in advising governments, oil and gas companies, and financial institutions on oil markets, geopolitics of oil, and assessment of the strategic shifts of the global oil and gas industry. He leads a team of analysts and strategists to advise asset managers, hedge funds, private equity firms, and investment banks by providing customized analysis on the oil and gas industry. Recently, Roger has been focusing on strategies that investors are implementing to capture value in the energy sector and the implications of the decapitalization of the oil and gas sector and capitalization of the energy transition. He still leads analysis on topics as varied as the global exploration outlook, the geopolitical impact of US shales, China's energy outlook, or the changing strategies of the Gulf national oil companies.

Roger holds a Bachelor of Arts from the Sorbonne University, France, and master's degrees from The Johns Hopkins University School of Advanced International Studies, United States, and the Institut d'Etudes Politiques of Paris, France.