Former Acxiom Board Member Jeffrey Ubben Is Now Targeting Microsoft by Lance Turner Posted 7/23/2013 10:04 am Updated 5 years ago Jeffrey Ubben of ValueAct, an activist investor who once sat on the board of directors for Acxiom Corp. of Little Rock, has set his sights on a new target: Microsoft. Want the Full Article? Get Unlimited Archive Access for $19.95 per Year Readers must pay to access articles older than 15 days. Articles newer than 15 days are not included in this offer. Purchase Now Already have archive access? Login to view this article.