- Source of Wealth: Entrepreneur, TV, Magazine personality
- Age: 78
- Birth Place: Jersey City, New Jersey, United States
- Marital Status: Divorced (Andrew Stewart)
- Full Name: Martha Helen Kostyra
- Nationality: United States
- Date of Birth: August 3, 1941
- Ethnicity: Polish
- Occupation: TV Personality, Businesswoman
- Education: Barnard College
- Children: 1 (Alexis Stewart)
American TV personality, writer, and business magnate Martha Stewart has an estimated net worth of $300 million in 2013. She is known to have founded the Martha Stewart Living Omnimedia which is comprised if diverse business ventures which include merchandising, electronic commerce, publishing and broadcasting.
As a writer, she has written numerous books which are certified bestsellers. She is also the publisher of the magazine, Martha Stewart Living. In 2011, she joined Martha Stewart Living Omnimedia as one of its Board of Directors and by 2012, she began serving as the Chairman of the company.
Martha Stewart was born Martha Helen Kostyra on August 3, 1941 in Jersey City, New Jersey, USA. She is a graduate of Barnard College. From 1961 through 1987, she was married to Andrew Stewart. The couple has a child named Alexis Stewart.