Sean Miller has joined Sherman & Armbruster LLP as business advisory services manager. For 21 years he was co-owner of a medical device manufacturing company in Johnson County. Miller’s company successfully sold to a larger industry player in 2014. Before his two decades in the medical device industry, he spent six years with Geo. S. Olive & Co. in their management consulting services group. He also is a co-inventor on four U.S. patents.