Weyerhaeuser makes leadership changes for cellulose fibres and wood products

Slater's previously lead the company's engineered products and distribution businesses and also has extensive experience in cellulose fibers.

Mr Blocker will expand his current leadership of the company's lumber business to include OSB, engineered lumber products and distribution.

Cathy Slater, has been Weyerhaeuser's senior vice president, Engineered Products and Distribution since August 2013. She was Weyerhaeuser's vice president, OSB from 2011 to 2013.

Adrian Blocker, has been Weyerhaeuser's senior vice president, Lumber, since August 2013. He joined the company in May 2013 as vice president, Lumber. Prior to that role, he served as ceo of the Wood Products Council.