L. Hunter Lovins (née Sheldon, born 1950) is an author and a promoter of sustainable development for over 30 years, is president of Natural Capitalism Solutions, a 501(c)3 non-profit in Longmont, Colorado and the Chief Insurgent of the Madrone Project. She teaches sustainable business management at Bainbridge Graduate Institute in Seattle, Washington and at Daniels College of Business, University of Denver.