FEDERAL WAY, WA - Weyerhaeuser Company will have new leadership beginning Jan. 1, 2015. The company named Cathy Slater as senior vice president, Cellulose Fibers, and Adrian Blocker as senior vice president, Wood Products.

Slater, who currently leads the company's Engineered Products and Distribution businesses and also has extensive experience in the Cellulose Fibers business, will succeed Shaker Chandrasekaran, who retires next year. Blocker will expand his current leadership of the company's lumber business to include OSB, Engineered Lumber Products and Distribution, the company said.

Before joining the Wood Products team, Slater held numerous positions in the company's Cellulose Fibers business, including leadership roles at the Flint River and Port Wentworth, Ga., pulp mills. She also had leadership oversight for the company's operations in Alberta, which included pulp, timberlands, OSB, lumber, and engineered lumber.

Blocker joined the company in May 2013 as vice president, Lumber. Prior to that, he served as CEO of the Wood Products Council. Throughout his career in the industry, Blocker held numerous leadership positions at West Fraser, International Paper and Champion International focused on wood products manufacturing, forest management, fiber procurement, consumer packaging, strategic planning, and business development.