Lori Woratzeck is the new CFO of the Public School Retirement System of Missouri, Jefferson City. She replaces Virginia Brizendine, who left the $21 billion system earlier this month. Ms. Woratzeck currently is a business analyst at American Management Systems. She begins her new job Nov. 15. In turn, Ms. Brizendine is now CFO for the $8.1 billion School Employees Retirement System of Ohio, Columbus.