David Packard was an American engineer and businessman, best known as the co-founder of Hewlett-Packard (HP) in 1939 alongside Bill Hewlett. He played a significant role in the development of the technology industry, particularly in the fields of electronics and computing. Packard served as the company's president and later as its CEO, helping to establish HP as a leading technology firm. In addition to his work at HP, Packard was involved in various philanthropic efforts and served in the U.S. government as the Deputy Secretary of Defense under President Richard Nixon. His contributions to both business and public service have left a lasting impact on American industry and innovation.