Carol Cassella, M.D. is a practicing physician and national bestselling author of two novels, Oxygen (2008) and Healer (2010), both published by Simon & Schuster and translated into more than a dozen languages. She majored in English Literature at Duke University and attended Baylor College of Medicine. Carol is board certified in both internal medicine and anesthesiology, and practiced primary care with a focus on cross cultural and underserved populations before becoming an anesthesiologist. Prior to writing fiction she wrote for the Global Health division of the Bill & Melinda Gates Foundation, covering their grant projects throughout the developing world. She is a Wall Street Journal Expert Panelist and Associate Editor of Mind to Mind, the literary section in Anesthesiology, the journal of the American Society of Anesthesiology. She is a founding member of Seattle7Writers, a non-profit supporting literacy and reading in the Pacific Northwest, and also serves on medical boards working in Nicaragua and Bhutan. Carol lives on Bainbridge Island, Washington with her husband and two sets of twins. She is the author of the novels Oxygen and Healer, both published by Simon & Schuster. Her third novel Gemini is scheduled for release in March, 2014.