David Issroff

Xstrata Plc is engaged in the mining industry. Its business units include Xstrata Alloys, Xstrata Copper, Xstrata Zinc, Xstrata Coal, Xstrata Nickel, and Xstrata Technology Services. The Xstrata Alloys business unit produces ferrochrome, primary vanadium and owns carbon and anthracite operations, which supply key raw materials to its ferrochrome smelters. The Xstrata Copper business unit is a global copper producer and also manages a recycling business, Xstrata Recycling. The Xstrata Zinc business unit specializes in the mining and production of zinc. The Xstrata Coal business unit is an exporter of thermal coal and a significant producer of premium quality hard coking coal and semi-soft coal. The Xstrata Nickel business unit focuses on nickel and cobalt production and operates mines, refineries, and processing facilities. The Xstrata Technology Services business unit provides proprietary technologies and specialist services in the areas of mining, mineral processing, and metals extraction to major mining companies. The company was founded in 1926 and is headquartered in Zug, Switzerland.

Glencore International AG engages in the production and marketing of natural resources and industrial commodities. It provides financing, logistics, marketing, and purchasing services to producers and consumers of commodities. It serves automotive, oil, power generation, steel production, and food processing industries. The company was founded in 1974 and is headquartered in Baar, Switzerland.

Echoing Green, Inc. provides seed funding and technical assistance to emerging social entrepreneurs with ideas for social change. The firm offers a fellowship program that provides seed funding to emerging social entrepreneurs; open society black male achievement fellowship, a program for improving the life outcomes of black men and boys in the United States through social entrepreneurship; and works on purpose, a career training program. The company was founded in 1987 and is headquartered in New York, NY.

Tugende provides motorcycle taxi services. It specializes in motorcycle sharing, financial services and web development. The company was founded by Michael Wilkerson and Matt Brown in 2006 and is headquartered in Kampala, Uganda.

Glencore (Schweiz) AG explores and mines copper, coking coal, thermal coal, ferrochrome and vanadium. The company markets copper, coking coal, thermal coal, ferrochrome, vanadium and zinc with additional exposures to gold, lead and silver. The company exports coal and produces ferrochrome and vanadium in Australia and South African mines and smelts zinc in Spain (through subsidiary Asturiana de Zinc), mines anthracite in Swaziland, smelts zinc in Germany and harvests wood from a Chilean eucalyptus forest. The company is headquartered in Zug, Switzerland.

City Hall Capital LLC is a private company based in New York, NY. The company provides investment services.