25 December 2012 Happy Holidays! Posted by: Jamie Rappaport Clark | 4 comments | Share: From all of us at Defenders of Wildlife to you and your loved ones, we wish you the very best this holiday season! Snow covers Sequoia National Park (Credit: Barry Klein) Jamie Rappaport Clark, President and CEO A former head of the U.S. Fish and Wildlife Service, Jamie’s lifelong commitment to wildlife and conservation led her to choose a career in wildlife biology. Jamie is recognized as a leading national expert on the Endangered Species Act and imperiled wildlife. Her leadership and expertise have helped defeat numerous efforts to destroy the Endangered Species Act.