Skip to content

Leif Elgethun, PE, LEED AP

Senior Technical Advisor

Leif Elgethun envisions a carbon-neutral society that is as clean as it is free. A serial entrepreneur, Leif builds and scales clean energy companies in order to accelerate leading-edge sustainable technologies for the benefit of our environment, communities, and economy. His latest company, Retrolux, is transforming the commercial and industrial lighting and smart building industries by providing a software platform that connects smart building product vendors, contractors, energy service companies to building owners through a project-focused sales and deployment sales platform, removing chronic inefficiencies and boosting profit throughout the sales channel. Leif has 10 years of experience starting and growing 5 clean energy companies, building deep market knowledge in commercial energy efficient lighting. Currently, he is President and Co-Founder of the Idaho Clean Energy Association, Past-Chair of the Idaho Chapter of the USGBC, and active on several nonprofit boards. In his free time, Leif enjoys running, biking, and rafting through America’s scenic public lands.