Steven Russell, senior private equity analyst at the Pennsylvania Public School Employees' Retirement System, Harrisburg, will leave Friday to join Emerald Asset Management.
He will serve as vice president and portfolio manager, a new position, focusing on small-cap growth stock.
Mr. Russell said no one has yet been named to replace him at the Pennsylvania fund.
Nancy Mayer, Rhode Island state treasurer, was appointed to the National Summit on Retirement Savings by Senate Majority Leader Trent Lott, a state Treasury Department spokesman said.
Ms. Mayer is chairwoman of the State of Rhode Island Investment Commission, which oversees the investments of the $5.5 billion Employee Retirement System of Rhode Island, Providence.
She also is the chair of the pension section of the National Association of State Treasurers