Joel W. Silverstein

Cohen Klingenstein LLC (CK) is an independent, SEC-registered investment advisor headquartered in New York City. The firm was founded by George Cohen, Thomas Klingenstein and Richard Marks in 1981 as Cohen, Klingenstein & Marks, Inc. CK manages securities portfolios and serves as an investment adviser for individuals, corporations, trusts, foundations, corporate profit-sharing plans, individual retirement accounts, charitable organizations and private investment funds, which include the CK Diversified Fund LLC, a Delaware limited liability company.

Needham & Co. LLC (Needham) is a registered investment advisor and broker/dealer headquartered in New York City. The firm was founded in 1985 and is a wholly-owned indirect subsidiary of The Needham Group, Inc. Needham provides corporate and institutional clients with high quality research, corporate access, capital markets and trading execution services in both the public and private markets, with an emphasis on growth companies.