The Sit-Up Mat is invented by Dr. Mostafa Sheta M.D., a family practice physician for over 25 years. He is currently practicing in Henderson, Nevada. His special interest is fitness and weight loss with the special attention to core strength and abdominal and lower muscles. He has a passion for extensive research and development on fitness and exercise equipment. He has been running marathons for 35 years. Everyone will benefit from the Sit-Up Mat. Once you try this extraordinary product, you will agree it is the best thing you have ever done to exercise with little effort. Dr. Sheta and his family currently live in Henderson, Nevada.