John Walter

AT & T is the global leader in providing local, long distance, Internet, and transaction-based voice and data services. AT&T provides unparalleled quality and reliability in communications services

Northshore University Healthsystem provides healthcare services. The firm offers family, nuclear, pulmonary medicine, plastic surgery and surgical services. It also offers teaching and research programs, and trauma, prenatal and mammography centers. The company was founded in 1891 and is headquartered in Evanston, IL.

SNP Corp. Ltd. provides commercial printing services. It offers security, financial, and data printing as well as management services. It operates in Singapore, China, and Thailand. The company was founded in 1867 and is headquartered in Singapore, Singapore.

NETdelivery Corp. develops and provides software products and applications. Its products are used for creating, transmitting and managing electronic forms as well as for querying and retrieving collected information. The company offers software solutions for public safety organizations, governments and businesses. NETdelivery was founded in 1995 and is located in Boulder, CO.

Sterling Investment Partners Advisers LLC (Sterling Investment Partners) is a private equity firm founded in 1991 by William Lester Selden, Morris William Macey, Douglas Lorie Newhouse, and Charles William Santoro. The firm is headquartered in Westport, Connecticut.

InnerWorkings, Inc. engages in the provision of marketing execution solutions. It includes procurement of marketing materials, branded merchandise, product packaging, and retail displays. It operates through the following segment: North America, EMEA and LATAM. The North America segment includes operations in the United States, and Canada. The EMEA segment comprises of operations in the United Kingdom, continental Europe, the Middle East, Africa, and Asia. The LATAM segment focuses its operations in Mexico, Central America and South America. The Other segment consists of intersegment eliminations, shared service activities, and unallocated corporate expenses. The company was founded by Scott A. Frisoni, Richard A. Heise, Jr., John McIntyre and Eric Paul Lefkofsky in 2001 and is headquartered in Chicago, IL.

Ashlin Management Co. provides business and management consulting services. The private company is based in Chicago, IL.

Echo Global Logistics, Inc. engages in the provision of technology enabled transportation and supply chain management services. It offers truckload, small parcel, intermodal, domestic air and expedited services, and international transportation solutions. The company was founded by Bradley A. Keywell and Eric P. Lefkofsky in January 2005 and is headquartered in Chicago, IL.

MediaBank, LLC is a leading provider of integrated procurement technology and advanced analytics to the advertising industry. The cornerstone of MediaBank's solution is the MediaBank O/X platform, offering buying, financial, and workflow tools across all media types.

Cresco Labs LLC develops a medical marijuana facility to provide medical products for patients. The company was founded by Charles Bachtell, Joseph Caltabiano, Dominic A. Sergi, Robert M. Sampson and Brian McCormack and is headquartered in Chicago. IL.

Prime Capital Corp. is a diversified specialty finance company that originates, aggregates and services loans, installment purchase agreements and leases primarily in the software, specialty vehicle, communications and medical industries. The company operates through its wholly-owned subsidiary, Prime Leasing, Inc. It was founded in 1977 and is headquartered in Rosemont, IL

Infinity Bio Energy Ltd. produces clean and renewable fuels, with an emphasis on ethanol made from sugarcane. It focuses on the acquisition, construction and operation of sugar and ethanol production facilities primarily in Brazil. The company was founded in March 2006 and is headquartered in Hamilton, Bermuda.

DHR International, Inc. provides executive search and recruiting services. It offers services in the technology, board services, consumer, diversity, education, financial services, healthcare and life sciences, industrial, life sciences technology, media and entertainment, non-profit, professional services, and retail. The company has offices in Europe, Africa, Asia-Pacific, and Latin America. DHR International was founded by David H. Hoffmann in 1989 and is headquartered in Chicago, IL.

Conservancy of Southwest Florida, Inc. operates as a not-for-profit grassroots organization focused on the critical environmental issues. The firm specializes in environmental education, environmental policy, environmental science, native wildlife rehabilitation/wildlife hospital and conservancy of southwest florida nature center. The company was founded by Dellora Norris and Lester Norris in 1964 and is headquartered in Naples, FL.

African Wildlife Foundation, Inc. operates an international conservation organization focused on the African continent. The organization programs and conservation strategies are based on science and designed to protect both the wild lands and wildlife of Africa. The organization was founded in 1961 and is headquartered in Washington, DC.

R.R. Donnelley & Sons Co. engages in the provision of multichannel communication solutions. It operates through the following segments: Commercial Print, Logistics, Statement Printing, Labels, Packaging, Supply Chain Management, Forms and Business Process Outsourcing. The Commercial Print segment provides various commercial printing products and offer a full range of branded materials including manuals, publications, brochures, business cards, flyers, post cards, posters and promotional items. The Packaging segment provide packaging solutions, ranging from rigid boxes to in-box print materials, for clients in consumer electronics, life sciences, cosmetics and consumer packaged goods industries. The Statement Printing creates critical business communications, including customer billings, financial statements, healthcare communications and insurance documents. The Labels segment produces custom labels for clients across multiple industries including warehouse and distribution, retail, pharmaceutical, manufacturing and consumer packaging. The Supply Chain Management segment provides workflow design to assembly, configuration, kitting and fulfillment for clients in consumer electronics, telecommunications, life sciences, cosmetics, education and industrial industries. The Forms segment produces a variety of forms including invoices, order forms and business forms that support both the private and public sectors for clients in financial, government, retail, healthcare and business services industries and The Business Process Outsourcing segment provides outsourcing services including creative services, research and analytics, financial management and other services for legal providers, insurance, telecommunications, utilities, retail and financial services companies. The company was founded by Richard Robert Donnelley in 1864 and is headquartered in Chicago, IL.

Part of OneSpan, Inc., OneSpan North America, Inc. provides authentication and e-signature solutions and services.

The Chicago Symphony Orchestra Association operates music bands and orchestras. The non-profit company is based in Chicago, IL.

ecoAmerica engages in building climate leadership, public support, and political will for climate solutions. The non-profit company is based in Washington.