Martha Helen Stewart (née Kostyra; Polish pronunciation: [kɔ'stɨra]; born August 3, 1941) is an American retail businesswoman, writer, television personality, former model, and convicted felon. As founder of Martha Stewart Living Omnimedia, she gained success through a variety of business ventures, encompassing publishing, broadcasting, merchandising, and e-commerce. She has written numerous bestselling books, is the publisher of Martha Stewart Living magazine, and hosted two syndicated television programs, Martha, which ran from 2005 to 2012, and Martha Stewart Living, which ran from 1993 to 2004.