Stephan J. Chevalier

Fortress Partners Capital Management Ltd. (Fortress Partners Capital) is a private equity firm founded in 1991 by Jon C. Bruss. The firm is headquartered in Hartland, Wisconsin.

Lantos Technologies, Inc. develops intra-aural 3D ear scanning systems for the custom earpiece market. Its technology enables audiologists to eliminate the uncomfortable, messy, and error-prone technique that used to generate impressions of the ear canal. The firm provides 3D scanner that measures ear canal shape and tissue compliance to produce a map of the ear canal. It also offers noise protection devices for military and industrial markets, and consumer audio earphones. The company is headquartered in Wilmington, MA.

Digi-Key Corp. distributes electronic components. It also distributes semiconductors, discrete, electromechanical parts. Its products include audio products, batteries, cable assemblies, capacitors, computer & video accessories, connectors, crystals & oscillators, discrete semiconductor products and many more. The company was founded by Ronald A. Stordahl in 1972 and is headquartered in Thief River Falls, MN.

Minnetronix Medical, Inc. provides design, development, manufacturing, commercialization services to the electronics-based medical device and life science marketplaces. The company was founded in 1996 and is headquartered in St. Paul, MN.