Donald C. Ewigleben

AngloGold Ashanti (Pty) Ltd. engages in the exploration, mining, and production of gold. It operates through the following business segments: Africa, Australia, and Americas. The Africa segment consists of Ghana, Guinea, the DRC (Democratic Republic of the Congo), and Tanzania. The Americas segment comprises of Argentina, Brazil, and projects in Colombia and the United States. The company was founded in 1944 and is headquartered in Johannesburg, South Africa.

Echo Bay Mines Ltd. mines, processes, and explores for gold. It has major gold producer mines in Canada and the United States with exploration and development projects in four continents. The company is located in Edmonton, Canada.

National Mining Association operates as national trade organization of the U.S. mining industry. It represents the interests of mining before Congress, the administration, federal agencies, the judiciary and the media. The company was founded in 1995 and is headquartered in Washington, DC.

The Mining Association of Canada operates as a national organization for the Canadian mining industry. It engages in mineral exploration, mining, smelting, refining and semi-fabrication. The firm explores precious metals, uranium, diamonds, metallurgical coal and mined oil sands. The company was founded in 1935 and is headquartered in Ottawa, Canada.

American Exploration & Mining Association is a non-profit organization which builds working strategies with key elected officials, develops and coordinates industry's response to legislative and regulatory issues. It promotes small businesses, public lands, industry partnerships, conservation, environmental sustainability, and health and safety. The organization was founded in 1895 and is headquartered in Spokane, WA.