Dan Russo

Potomac Fund Management, Inc. (Potomac) is an independent, SEC-registered investment advisor headquartered in Miami, Florida. The firm was founded by Richard Paul in 1987. Potomac provides investment advice to individuals, pensions, profit-sharing plans, trusts, estates, other investment advisors, and to corporations and other business entities.

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.

Susquehanna International Group LLP engages in the provision of investment and other financial services. It offers institutional brokerage, trading, research, and market making services for equities. The company was founded by Lon Taylor and Gordon Apple in 1987 and is headquartered in Bala Cynwyd, PA.

Banc of America Specialist, Inc. is an SEC-registered broker/dealer located in New York City. The firm is a subsidiary of NB Holdings Corp. Their ultimate parent is Bank of America Corp. (NYSE: BAC). Banc of America Specialist provides securities services on the New York Stock Exchange and assists with IPOs. The firm follows S&P 500 companies in several sectors including financial services, energy, consumer products, retail and telecommunications. Banc of America Specialist was originally founded in 1982 as Quick & Reilly Specialist, ultimately incorporating Conklin, Cahill & Co. and Colin Hockstin & Co. From 1990 until 1995, the firm acquired three prestigious specialist firms: Murphy, Marseilles Smith & Nammack, Stokes Hoyt & Co and Pforzheimer/Drexel Burnham Specialists. In 1995, Quick & Reilly Specialist was renamed JJC Specialist. In 1998, JJC Specialist was purchased by Fleet Boston Financial, which also acquired Merrill Lynch Specialist, and the firm was renamed Fleet Specialist. In 2000, FleetBoston Financial acquired MJ Meehan and merged the operations into Fleet Specialist. In 2004, Bank of America acquired FleetBoston Financial and Fleet Specialist became known as Banc of America Specialist, Inc.