Mitchell R. Cohen

Hellman & Friedman LLC (Hellman & Friedman) is a private equity firm founded in 1984 by Warren Hellman and Tully Friedman. The firm is headquartered in San Francisco, California.

Western Wireless Corp. used to provide wireless communication services. The company owned and operated wireless phone systems marketed primarily under the Cellular One® national brand name in more than 19 western states. It was formed through the combination of Pacific Northwest Cellular and General Cellular Corporation. The company was founded in 1988 and was located in Bellevue, WA.

T-Mobile USA, Inc. engages in the provision of wireless voice, messaging, and data services. It offers different plans for phones and tablets. The company was founded by John W. Stanton in 1994 and is headquartered in Bellevue, WA.

Advanstar Communications, Inc. provides integrating marketing solutions. It provides event and marketing services to business that serves professionals and consumers in the fashion, licensing, life sciences and power sports industries. The company was founded on April 14, 1987 and is headquartered in New Hyde Park, NY.

VoiceStream Wireless Corp. was a provider of communications services in the United States. The company was founded by John W. Stanton and is headquartered in Bellevue, WA.

Zignal Labs, Inc. delivers data-driven insights. It provides an online platform that monitors the online media space in real-time and delivers data-driven insights. The firm?s platform combines media monitoring and business intelligence to drive insights in various industries from corporate communications to politics and financial analysis. The company was founded by Josh Ginsberg, Adam Beaugh and James J. Hornthal in 2011 and is headquartered in San Francisco, CA.

Marin Community Foundation engages in the provision of philanthropic contributions to help improve the human condition, embrace diversity, promote a humane and democratic society, and enhance the community's quality of life. The company was founded in January 1987 and is headquartered in Novato, CA.

The Trustee For Performancecentre International Unit Trust provides sales commission tracking and incentive compensation software as a service since 2006. The company is based in Irvine, CA. The company helps businesses drive a high-performance sales culture by providing a solution aligned with today's sales force and enterprise objectives. The company offers enterprise-grade functionality with the ease of use required of modern software applications. The company was founded in 2006 by David Marshall. Grayson Morris has been the CEO of the company since 2019.

Trilogy Search Partners LLC (Trilogy Search Partners) is a private equity firm founded in 2015 by John W. Staton. The firm is headquartered in Bellevue, Washington.