Gregory S. Cole

InPhonic sells wireless services and devices through private-labeled Web sites that it creates and manages. The company's technology platform provides outsourced activation services for wireless telecommunications providers.

K2M, Inc. manufactures and markets medical devices. It offers deformity correction systems, spinal stabilization systems, lateral access systems, minimally invasive systems, and, constrained and translational cervical plates. The company was founded by John Philip Kostuik and Eric Major in January 2004 and is headquartered in Leesburg, VA.

Simplexity is the Internet's leading authorized seller of cell phones and wireless services. Based in Reston, Virginia, Simplexity operates proprietary e-commerce platforms, providing affiliates and marketing partners with integrated solutions for cell phone and wireless product merchandising, activation, logistics and fulfillment. The privately held company also creates and maintains web sites for a variety of companies, including many of the largest retailers in the United States. Simplexity's business and technology solutions include comprehensive inventory and rate plan management, order processing, automated activation, online merchandising, high-level customer care and customer relationship marketing. Wirefly is Simplexity's shopping and comparison site for consumers, bringing online shoppers an unprecedented selection of cell phones and service plans from the top-rated U.S. carriers with the convenience of automated application processing and cell phone activation.

XM Satellite Radio Holdings Inc. is a satellite radio service company, providing music, entertainment and information programming for reception by vehicle, home and portable radios. The company satellite radios are primarily distributed through automakers ('OEMs'); retail locations and through their website. The company is incorporated on May 16th , 1997 and is headquartered in Washington.

K2M Group Holdings, Inc. is a global medical device company. It focuses on designing, developing and commercializing innovative and proprietary complex spine technologies and techniques. The company was founded by John Philip Kostuik and Eric D. Major in June 29, 2010 and is headquartered in Leesburg, VA.

XM Satellite Radio, Inc. delivers satellite radio programs. It engages in broadcasting music, sports, news, talk, entertainment, traffic and weather channels. The company is headquartered in Washington, DC.

Part of Stryker Corp., K2M UK Ltd. is a company that manufactures and markets medical devices. The company is based in Uxbridge, UK.