Brian Michael Walker

Cowen Prime Services LLC (CPS) is a broker-dealer headquartered in New York City. The firm is directly owned by Cowen PB Holdings LLC, which, in turn, is primarily owned by Cowen Group, Inc. (NASDAQ: COWN). CPS is registered as a broker-dealer with the SEC and FINRA, and as a an introducing broker with the Commodities Futures Trading Commission and the National Futures Association. CPS was formed in 2015 following Cowen Group’s acquisition of Concept Capital Markets LLC. Concept Capital was established in 2010 following the spin-off of the Concept Capital division of Sanders Morris Harris Inc., whose origins date back to 1995. CPS' offering includes world-class custody and clearing options, multi asset class capabilities, leading execution and order management systems, a seasoned execution desk, a range of financing options, a highly professional operations and customer support team, comprehensive portfolio reporting capabilities, capital introduction, and live, intraday and post-trade risk and performance analytics.

Jefferies Group LLC operates as an investment banking firm. It offers underwriting, mergers and acquisitions, restructuring and recapitalization, and other advisory services. The firm also offers research and execution services in equity, fixed income and foreign exchange markets. The company was founded by Boyd L. Jefferies on October 2, 1962 and is headquartered in New York, NY.

Founded in 2010 by Paul Orwicz, Sursum Capital Management is a hedge fund manager located in Greenwich, Connecticut

Founded in 2008, Bellman Walter Capital LLC is a hedge fund manager located in San Francisco