Texas Sustainability, LLC is comprised of clean technology and sustainability professionals with decades’ experience in the design and implementation of sustainability solutions. Our team members perform field work as easily as desk work. We are a woman-owned small business.
Carlos St. James, Vice President of Energy Infrastructure
- Fletcher School of Law & Diplomacy, Tufts University, class of 2004, M.A. International Relations
- Envision Sustainability Professional (ENV SP) class of 2020

Carlos has a well-rounded career in the clean tech, sustainability and renewable energy sector on a global scale and taking on a variety of stakeholder roles. He sits on the board the CleanTX in Texas, a 501(c)(3) non-profit which promotes development of sustainable energy solutions across the state, and is also a board member of the Latin American and Caribbean Council on Renewable Energy (LAC-CORE), another 501(c)(3) based in Washington, DC promoting sustainable energy solutions across the western hemisphere.
