Jarvik Heart, Inc. is a private company that develops miniaturized heart assist devices for the treatment of severe heart failure. The company, formed in 1988, is located in Manhattan, where it conducts development and manufacturing activities. Robert Jarvik, MD, inventor of the Jarvik 7 and Jarvik 2000 mechanical hearts, is Chairman and Chief Executive Officer. Marilyn vos Savant, columnist for Parade magazine, is Chief Financial Officer.