West Des Moines-based investment advisory firm Miles Capital Inc. has hired Gregory Boal, former CEO of Aviva Investors North America, as its president and chief investment officer. Boal will lead the investment management and business development activities of Miles Capital, which principal David Miles launched a year ago with the purchase of WB Capital Management Inc., which had been the investment advisory arm of West Bancorporation Inc. From 2004 through 2008, Boal was president and chief investment officer of AmerUs Capital Management, and following the acquisition of AmerUs Group Co. by Aviva plc, served as CEO of Aviva Investors North America until February of this year. Click here for related story.