Edit, yep.
"Cuban co-founded MicroSolutions with help from his previous customers from Your Business Software. MicroSolutions was initially a system integrator and software reseller. The company was an early proponent of technologies such as Carbon Copy, Lotus Notes, and CompuServe.[30] One of the company's largest clients was Perot Systems.[31] The company grew to more than $30 million in revenue, and in 1990, Cuban sold MicroSolutions to CompuServe—then a subsidiary of H&R Block—for $6 million (over $14.7 million today).[22] He made approximately $2 million after taxes on the deal.[32][33]"
WikipediaMark Cuban (born July 31, 1958) is an American businessman and television personality. He is the former principal owner and current minority owner of the Dallas Mavericks of the National Basketball Association (NBA), co-owner of 2929 Entertainment, and one of the main "sharks" on the ABC reality...
https://en.wikipedia.org/wiki/Mark_Cuban