Click here to write a Letter to the Editor. Transportation logistics firm Hub Group Inc. said late Tuesday that Chief Financial Officer Tom White resigned has been replaced by Terri Pizzuto, the company's vice president of finance.The company did not give a reason for White’s departure, saying only that he left “to pursue other opportunities.” He had been Hub’s CFO since 2002.Publicly traded Hub’s stock, which was trading at about $30 a share early Wednesday, has more than doubled since mid-2005 and has more than tripled since 2002, not including several stock splits.Pizzuto, who joined the company in 2002, was previously a partner at Arthur Andersen.“She has worked closely with [White] in managing the finance organization and we are pleased to have such a talented individual available to fill this position,” Hub’s Chief Executive Officer David Yeager said in a statement.