David Russell Wojcik

Phylogy, Inc. developed and marketed telecommunication equipment. The company was founded in 2003 and was headquartered in Cleveland, OH.

Rim Semiconductor Co. develops and markets transmission technology products that enable data to be transmitted across copper telephone wire. Its technology products allow telephone companies and enterprise network operators to provide video, data, and voice services over the existing copper telecommunications infrastructure. The company was founded on December 5, 1985 and is headquartered in La Jolla, CA.

Inteliquent, Inc. engages in the provision of voice telecommunication services. It offers these services using an all-IP network, which enables the delivery of global connectivity for media, including voice, data, and video. The company was founded by James P. Hynes, David Russell Wojcik, Christopher Swenson, and Ronald W. Gavillet on April 19, 2001 and is headquartered in Chicago, IL.

Infinera Optical Holding, Inc. designs and develops telecommunications networking products. The firm serves telecom service providers, independent operating companies, multiple system operator cable companies, enterprises and government agencies. The company was founded by Michael J. Birck in 1975 and is headquartered in Naperville, IL.