David Dosa MD, MPH is a practicing geriatrician and health services researcher at Brown University in Providence, Rhode Island. In July 2007, David garnered international attention for an essay on Oscar that was published in the New England Journal of Medicine. After the story made headlines on morning television programs and newspapers around the world, David decided to write his first book "Making Rounds with Oscar: The Extraordinary Gift of an Ordinary Cat" about his experiences with Oscar.