Acxiom Director Jeffrey Ubben of ValueAct Resigns by Arkansas Business Staff Posted 10/31/2008 03:06 pm Updated 5 years ago Jeffrey W. Ubben, managing partner of ValueAct Capital Master Fund LP, is resigning from Acxiom Corp.'s board of directors, the Little Rock company announced Friday. Want the Full Article? Get Unlimited Archive Access for $19.95 per Year Readers must pay to access stories older than 15 days. Purchase Now Already have archive access? Login to view this article.