Base-Line, an Auburn, WA-based supplier of consumable products to the graphic arts industry, announced two executive appointments. John Hauser has been named CEO of the company, as well as the president of ConverTech Group, of which Base-Line is a wholly-owned subsidiary. Prior to joining Base-Line, Mr. Hauser served in several executive positions with Seattle area venture capital and asset management firms.      The company also announced that Monte Swanson has been named chief financial off...