 OMAHA, Neb., June 29, 2021 GLOBE NEWSWIRE -- Green Plains Inc. NASDAQ:GPRE today announced that Negil McPherson Jr. has joined the companys senior leadership team as Chief People Officer. Mr. McPherson will be responsible for leading human resources strategy, including talent management, as well as compensation and benefits. He will also be focused on the companys ongoing cultural transformation toward Green Plains 2.0. 