Arch Chemicals Inc. has announced the appointment of three members of the senior management team. Michael Cook has been named Senior Vice President for HTH Water Products’ worldwide operations. Joseph Shaulson has been named Senior Vice President for Wood Protection, Industrial Coatings and Personal Care Ingredients. Rick Walden has been named Senior Vice President for the global Health & Hygiene and Preservation & Protection Biocides businesses, Performance Products and Asia Pacific. All three appointees will report directly to Chairman, President and CEO Michael E. Campbell.