Mark Birkhead

Blab, Inc. operates as a social network service provider. It provides predictive (social or digital) analytics to assist marketers with real time insights to inform digital marketing activities and allocate resources to acquire and retain customers in an all-digital world. The company was founded by Randy Browning, Joseph Mouhanna, David Snelling, John P. Kottcamp, and Malcolm MacGregor in 2012 and is headquartered in Seattle, WA.

Harvard University engages in the provision of teaching and research. It has twelve degree-granting Schools in addition to the Radcliffe Institute for Advanced Study, offering a global education. The university was founded in 1636 and is headquartered in Cambridge, MA.

Goldman Sachs & Co. LLC (GS&Co.) is a securities brokerage firm headquartered in New York City. Founded in 1927, the firm is a subsidiary of The Goldman Sachs Group, Inc. (NYSE: GS). GS&Co. provides services to help hedge funds manage risk, monitor portfolios, maintain liquidity and build their businesses. They offer clients access to global equity and derivatives markets, as well as foreign exchange, commodities, European Lefts, rates and credit across the Americas, Europe and Asia. The firm proactively monitors capital markets, searching for pockets of liquidity and news that may require changes to those strategies. Integration with the Goldman Sachs network gives clients access to the firm's sectored block trades and their insights into price discovery. Their electronic trading program provides clients with tools to manage their trades from pre-trade analytics to post-trade analysis.

Montefiore Medical Center engages in the provision of healthcare, clinical and surgical services. It offers treatments including cardiology and cardiac surgery, cancer care, tissue and organ transplantation, children’s health, women’s health, surgery and the surgical subspecialties. The company was founded in 1884 and is headquartered in Bronx, NY.

Breaking Ground provides supportive housing services. It offers housing and community development services. It buys dilapidated or abandoned resident hotels and converts them into housing for homeless and low-income adults. The firm subsists on rents and management fees, government contracts and donations. The company was founded in 1990 by Rosanne Haggerty and is headquartered in New York, NY.

Horizon Media, Inc. operates media service agency. It offers brand management approach, channel planning architecture, research, print negotiation, direct marketing, horizon interactive, and local market buying. The company was founded by Bill Koenigsberg in 1989 and is headquartered in New York City, NY

Doris Duke Charitable Foundation operates charitable foundation. It is engaged in improving the quality of people's lives through grants supporting the performing arts, wildlife conservation, medical research and the prevention of child maltreatment & through preservation of the cultural & environmental legacy of Doris Duke's properties. The foundation's activities are guided by the will of Doris Duke. The organization was founded in 1996 and is headquartered in New York

Teach For America, Inc. provides teachers and educational services to communities. It operates as corps of recent college graduates and professionals of various academic majors and career interests. The company?s corps members commit to teach in urban and rural public schools. The firm also offers early childhood education, math and science, and teach for all initiatives to address needs in education. Teach For America was founded by Wendy Kopp in 1990 and is headquartered in New York, NY.

The Keffi Group Ltd. (Keffi Group) is a private equity firm founded in 2006 by Olajide James Zeitlin. The firm is headquartered in New York.

Saint Ann''s School is an independent, non-sectarian school. It offers educational services and instruction in preschool through 12th grade. The school was founded by Canon Melville Harcourt in 1965 and is headquartered in Brooklyn Heights, NY.

New York Lawyers for the Public Interest, Inc. operates as a non-profit civil rights law firm. The firm specializes in the areas of disability rights, access to health care and environmental justice. The company was founded in 1976 and is headquartered in New York, NY.

Film Independent operates as filmmaker. The company is headquartered in Los Angeles, CA.

Sumner Group Mining Plc is a gold and silver producer focused on the development and operation of gold and silver projects in Peru. Its projects include La Libertad, Minaspampa; Rosario de Belén; Oro Pesa; and Ximenita de Casma, in the Arequipa and Ancash regions. The company is headquartered in St.Helier, Jersey.

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.

GFP Real Estate LLC is a vertically integrated owner, operator, property manager, and developer of commercial real estate in the tristate region. The private company was founded in 1952 and is based in New York, NY. GFP's portfolio includes over 55 buildings and more than 12.8 million square feet under ownership, including iconic assets such as the Flatiron Building, the Film Center Building, 515 Madison Avenue, 1560 Broadway, and 40 Worth Street. In addition to managing and leasing its own properties, GFP also provides management and leasing services to third-party building owners, representing an additional 20 buildings that cover more than 4 million square feet. The company is helmed by three generations of the Gural family over six decades, and it delivers unparalleled service to its over 2,500 tenants, one-third of which are not-for-profits. GFP employs more than 600 full-time professionals to oversee every element of real estate management, resulting in a remarkable 90% tenant renewal rate and 99% occupancy rate. The CEOs are Eric M. Gural and Brian R. Steinwurtzel.