JMP Group LLC announced changes in the management of the institutional brokerage division at JMP Securities. James O’Day has been named head of institutional sales, and Charles Sweeney, JMP Securities’ director of sales and trading, has been appointed to JMP Group’s operating committee. O’Day, a managing director based in the firm’s Boston office for more than a decade, will continue to report to Sweeney, also a managing director, who is based in New York. Prior to joining JMP Securities in 2013, Sweeney served as co-head of U.S. equity trading at Cantor Fitzgerald & Co. He was previously head of cash equity trading and sales trading at Susquehanna Financial Group after working in cash equities at Deutsche Bank Securities and Merrill Lynch & Co. He holds an undergraduate degree from Penn State University. Prior to joining JMP Securities in 2008, O’Day was a structured credit trader at CypressTree Investments. He holds an undergraduate degree from Northeastern University.