Dec 21, 2009. /Lesprom Network/. Cham Paper names Peter Studer as CEO, effective January 1, 2010, the company said in a press release received by Lesprom Network. He headed the group's operations as COO since April 1, 2009. Peter Studer has worked for Cham Paper Group since 2004 and until recently was also responsible for the plant in Cham. He headed the group's operations as COO since April 1, 2009. Cham Paper Group is a specialist in paper surface technology and a leading producer of specialty paper in Europe. The company develops and produces at three locations in Switzerland and Italy self-adhesive papers, papers for flexible packaging, technical papers and digital imaging solutions.