Drew Marine USA, Inc. announced the appointment of Walter Sobon as Senior Vice President and Chief Financial Officer. Sobon will be responsible for all finance and treasury functions, information systems and financial strategic planning. Sobon joins Drew Marine from Constar International Inc., an $800m publicly traded manufacturer of plastic containers, where he was CFO. Prior to Constar, Sobon was CFO for VWR International, a $2.8b provider of chemicals, equipment and services.