Len Blavatnik

The Carnegie Hall Society, Inc. promotes musical performances. The company was founded by Andrew Carnegie and Louise Carnegie in 1891 and is headquartered in New York, NY.

Part of United Co. RUSAL International PJSC, Sual International Ltd. mines for aluminum.

TNK-BP Ltd. provides exploration services for the oil and gas industry. The company's services include exploration and production, refining, marketing, sales and trading, oilfield, and technology services. TNK-BP was founded in 2003 and is headquartered in Moscow, Russia

Basell Holdings BV engages in the development, production and marketing of polypropylene, polyethylene, polyolefin materials and polyolefin catalyst products. The company also develops and licenses polyolefin processes. It also manufactures and sells butadiene products. The company has research and development centers in Europe, North America and the Asia-Pacific region. Basell Holdings has regional offices in Brussels, Mainz, Wilmington, Sao Paulo and Hong Kong. The company was founded in 2000 and is headquartered in Hoofddorp, the Netherlands.

Mariinsky Foundation of America provides business support services to constituent institutions of the Mariinsky Theatre. The non-profit company is based in New York, NY.

SUAL Partners Ltd. is headquartered in Nassau, Bahamas.

LyondellBasell Industries, Inc. manufactures basic polymers for industrial use, as well as refines crude oil into lubricating oil, diesel fuel, coke and sulfur. It offers chemicals, quality systems, technology centers, product safety and stewardship. The company is headquartered in Houston, TX.

92nd Street Young Men's & Young Women's Hebrew Association offers Jewish arts, culture, life, education and other programs. It is a Jewish institution that reaches out to people of every race, ethnicity, religion, age and economic class. The firm seeks to create, provide and disseminate programs of distinction that foster the physical and mental health of human beings throughout their lives, their educational and spiritual growth and their enjoyment. The company was founded on March 22, 1874 and is headquartered in New York, NY.

First Access Entertainment Ltd. operates as an entertainment business. The firm focuses on talent development and representation, brand development and representation, recording artists and songwriters, and rights exploitation, across the music, entertainment, and fashion industries. The company was founded on September 22, 2015 and is headquartered in London, the United Kingdom.

The Carnegie Hall Corp. operates as a non-profit organization that engages in the promotion and management of a venue for musical performances. It also supports educational activities through its Weill Music Institute. The company was founded by Andrew Carnegie in 1891 and is headquartered in New York, NY.