Leif Elgethun

CEO & CO-FOUNDER, PE, LEED AP at: Retrolux


Leif’s vision for the world is a carbon neutral society that is as clean as it is free. His focus on clean energy seeks to accelerate environmental capitalism that does good for our environment, community, and economy.

Retrolux is his latest venture that seeks to accelerate the adoption of market ready technologies that decrease fossil fuel usage and toxic materials in the lighting market by providing software that brings products to market faster and cheaper than ever before.

Leif is a serial clean energy entrepreneur with four successful clean energy companies, ten years of experience, and deep market knowledge in commercial energy efficient lighting. He’s a licensed professional engineer and currently focused on accelerating energy efficient lighting adoption through a simplified sales channel fueled by Retrolux integrated software. 

He currently serves as an advisor with Bluebird Solar and Light, a Sun Valley, Idaho based energy services company focusing on rooftop solar PV and LED lighting. He’s also past partner with Intermountain Energy Partners where he developed a 170MW utility grade solar PV project in Idaho that was sold for a 8x return in addition to building a 500MW+ pipeline.

He is also active in his community with several leadership positions with non-profits including: Past Board Chair Idaho Clean Energy Association, Past Board Chair Idaho Chapter USGBC, Board Member and Building Committee Chair Treasure Valley YMCA, Member Energy Efficiency Task Force for Idaho Strategic Energy Alliance, and Past Board Member Land Trust of Treasure Valley.