Suku Radia, president and CEO of Bankers Trust Co., will speak about the relationship between success and good character as part of the Monroe Colston Speaker Series at AIB College of Business on Jan. 29. The event is the second in the three-part speaker series named for the late Colston, a former Iowa real estate commissioner and civic leader. The free event is open to the public and begins at 11:45 a.m. at the AIB Activities Center, 2500 Fleur Drive. Complimentary light lunches donated by In the Bag will be served while quantities last. Seating is limited; to register, call 515-246-5101 or visit www.aib.edu.by Jan. 24.