Sara Magner

The Langley School is a non-profit organization that provides educational services. It also engages in athletics, performing arts, visual arts, and service learning programs. The company was founded in 1942 and is headquartered in McLean, VA.

Greenberg Traurig LLP provides legal services. The firm specializes in business aviation, futures and derivatives, financial regulatory and compliance, financial services litigation, project and infrastructure finance, public finance, restructuring, bankruptcy, and structured finance. The company was founded by Larry J. Hoffman, Mel Greenberg and Robert H. Traurig in 1967 and is headquartered in Miami, FL.

Siemens Energy & Automation, Inc., an operating company of Siemens AG, is a manufacturer and marketer of a range of electrical and electronic products, systems and services to the industrial and construction markets. Its technologies range from circuit protections and energy management systems to process control, industrial software and integrated automation solutions. Siemens Energy & Automation was established on September 1877. Its headquarters are located in Alpharetta, GA.

Minera SA is a Bolivian company that focuses on the extraction and production of precious metals, specifically gold and silver.