David O. McDonald

David O. McDonald was an influential American labor leader and executive who served as the President of the United Food and Commercial Workers International Union. He played a key role in advocating for workers' rights, fair wages, and better working conditions in the retail and food industries during the mid-20th century. McDonald worked to strengthen union members' voices and improve labor standards, contributing to the growth and organization of labor movements in the United States. His leadership helped advance the interests of millions of workers in the retail and food sectors.