Dale Sims is the new chairman of the board at the $24.5 billion Tennessee Consolidated Retirement System, Nashville. Mr. Sims assumed the role when he was appointed acting state treasurer by Gov. Phil Bredesen. He replaced Steve Adams, who left to become chief administrative officer of the new Tennessee Education Lottery Corp. Mr. Sims will serve until January, when the Legislature will elect a permanent replacement. Mr. Sims had been an executive assistant in the treasurer's office.