Ashton L. Wilson

Tekla Capital Management LLC is an independent, SEC-registered investment advisor headquartered in Boston, Massachusetts. Formerly known as Hambrecht & Quist Capital Management LLC, the firm serves as an investment adviser for four closed-end funds – Tekla Healthcare Investors, Tekla Life Sciences Investors, Tekla Healthcare Opportunities Fund and Tekla World Healthcare Fund.

Merrill Lynch, Pierce, Fenner & Smith, Inc. (MLPF&S) is a global investment banking firm, SEC-registered investment advisor, broker-dealer, and futures commission merchant headquartered in New York City. The firm is a subsidiary of BAC North America Holding Co., ultimately held by Bank of America Corp. (NYSE: BAC). MLPF&S provides investment advisory services to individuals, trusts, estates, charitable organizations, banks, insurance companies, thrift institutions, pension and profit-sharing plans, corporations and other types of business.

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.