Newspeopleretailers Lumber Liquidators Appoints Chief Operating Officer by Katie Lee February 29, 2016 Toano, Va. — Lumber Liquidators, the largest specialty retailer of hardwood flooring in North America, has appointed Dennis R. Knowles as chief operating officer, effective March 1, 2016. He joins the company from Lowe’s. Continue Reading February 29, 2016 0 FacebookTwitterPinterestEmail