The book "Thirty Days to Aerobic Self-Defense" by Roland Tseng turned into the workout program "Aerobic Self Defense". Roland, skilled in martial arts, is also known as an successfull entrepreneur, art collector and philanthropist:

Roland Tseng—a $38 million pledge, of which $9.5 million was paid in 2003, to California State University at Northridge. Tseng, 48, a Northern California entrepreneur and inventor, pledged to California State University at Northridge Chinese antiquities that Sotheby's, an appraisal company, has valued at $38 million. California State has already received works valued at $9.5 million, including a 3,000-year-old gold and bronze ritual vessel estimated to be worth $5.5 million. Tseng said that he would donate the remaining items over the next four years.