Etienne has taken part in projects across Latin America, North America and Europe, focusing on power price projections, power generation and transmission outlooks, asset valuations, and the analysis of operational and investment strategies for utilities, project developers, financial institutions, and other market participants. Past projects include assisting a global power utility in developing renewable energy projects in emerging markets, evaluating strategies for corporate clean energy procurement, and conducting due diligence on large portfolios of thermal and renewable assets.

Etienne holds a Bachelor of Science from Northwestern University, United States, and a Master of Science from Stanford University, United States. He is fluent in English, French, and Spanish and currently resides in Chile.