Michael Kolar

NightHawk Radiology Holdings, Inc. provides radiology solutions to radiology groups and hospitals throughout the United States. The company's team of independent contractor and hospital-privileged physicians provides professional services 24 hours per day, seven days a week, for approximately 26 percent of all United States hospitals. In addition to these professional services, the company also provides its customers with cardiac 3D reconstructions, radiology clinical workflow technology and business services. It sells its services primarily through the direct sales force comprised of telesales and field sales personnel

Oppenheimer Wolff & Donnelly LLP provides legal services. The firm's practices include corporate finance, mergers and acquisitions, securities, real estate finance, asset-based lending and business litigation, with specialty practices in antitrust, employee benefits, health law, intellectual property, international law, labor and employment, tax planning and controversy. The company was founded by Daniel W. Lawler and Edmund S. Durment in 1886 and is headquartered in Minneapolis, MN.

Part of Corteva, Inc., Rooster.com is a company that operates an Internet business-to-business agricultural commodities marketplace. The company is based in Minneapolis, MN. Rooster.com was acquired by Farms Technology LLC on August 19, 2003.

Virtual Radiologic Corp. provides teleradiology services. It engages in the development of software as a service-oriented workflow technology solutions for radiology using cloud computing hosted and managed through the internet. The firm also provides educational Webinars. It serves medical, radiologist, and hospital facilities in the United States. The company was founded by Eduard Michel in 2001 and is headquartered in Eden Prairie, MN.