Principal Financial Group Inc. has hired Crystal Warren to be vice president of sales in its St. Louis retirement services office.[@@]

Warren previously was a vice president of sales in a U.S. office of ABN AMRO Bank N.V., The Hague, Netherlands. She also has been a managing director of sales at Aetna Inc., Hartford.

Warren has a master’s degree from Northwestern University, and she holds the Certified Pension Consultant, Certified Fund Specialist and Certified Employee Benefit Specialist professional designations.