The Massachusetts Pension Reserves Investment Management (PRIM) Board serves as a professional investment service for the retirement assets of Massachusetts teachers and many state and municipal employees. Its mission is to provide a professional investment service for retirees that maximizes the return on investment within acceptable levels of risk and cost. PRIM broadly diversifies its investment portfolio, capitalizing on economies of scale to achieve cost-effective operations, and provide access to high quality, innovative investment management firms. Learn more at http://www.mapension.com/.