At Avery Dennison, Don Stoebe is now vp and general manager roll materials Europe… Steve Gough is the new chief executive of Valpak… Harper Corp of America has appointed Margaret Harper Kluttz, executive vice president, R James Harper, vp/chief customer officer, HarperScientific.com, and Arthur Ehrenberg, vp operations, Harper Corp/Green Bay… Dr Paul Shipton is now head of Rapra Technology's plastics technology consultancy… Drytac Europe has appointed Andy Stalmach Northern UK regional sales manager, and the new area sales manager for the South East is Roy Brown… Mike Clark is now ceo of the Britton Group… Nordson UV has appointed Pat Keogh director of global sales… Stephen Temple, technical director of Xaar, is now a non executive director at Global Graphics… Alan G Coulson has become manufacturing manager of Extrusion Dies UK… PCMC has elected Mitchell J Weckop to its board… Kathleen M Bader has been named chairman, president and ceo of Cargill Dow