Clairvest Group, Inc. is a private equity management company, which engages in investing its own capital and that of third parties in entrepreneurial corporations. It is also involved in investing in and partnering with the management teams of businesses. Its portfolio includes Casino Delaware Park, Brunswick, F12.net, Arrowhead Environmental Partners, and Novasource. The company was founded by Joseph L. Rotman on February 13, 1987 and is headquartered in Toronto, Canada.