 JMP Group LLC NYSE: JMP, an investment banking and alternative asset management firm, today announced changes in the management of the institutional brokerage division at JMP Securities. James ODay has been named head of institutional sales, and Charles Sweeney, JMP Securities director of sales and trading, has been appointed to JMP Groups operating committee. ODay, a managing director based in the firms Boston office for more than a decade, will continue to report to Sweeney, also a managing director, who is based in New York. 