North Dallas Bank & Trust Co. announced that W. Michael Shipman will retire as Chairman of the Board on March 31, 2021. Shipman will be succeeded by NDBT’s current President, Larry A. Miller, effective April 1, 2021. Shipman has had a distinguished 48-year career in financial services, including 25 years with NDBT and previously served as president and CEO of two other banks. Larry Miller's entire 38 year career has been spent here at NDBT.