 MACON, Ga.--BUSINESS WIRE--Blue Bird Corporation Blue Bird or Company Nasdaq: BLBD, the leading independent designer and manufacturer of school buses, announced today that it has appointed Matthew Stevenson as President of the Company, effective July 1, 2021. Mr. Stevenson is expected to succeed Philip Horlock as Chief Executive Officer CEO, who has elected to retire from the Company, no later than November 1, 2021. With the July 1 leadership change, Mr. Horlock, President and CEO 