Before joining Loudoun Wildlife Conservancy, Doreen worked as an engineer for IBM and as an environmental engineering consultant for Booz•Allen Hamilton, focusing on pollution prevention. She has been an active volunteer in her school community in Loudoun County, with her husband and three children. She enjoys reading, cooking, hiking, gardening, and rearing monarchs. She earned a Bachelor of Science in Physics from Franklin and Marshall College, a Bachelor of Science Materials Science Engineering from University of Pennsylvania, and a Master of Science in Environmental Engineering from George Washington University.