John D. Harper

High City Level Public Record

Editorial estimate, not verified fact — Disclaimer

Former Chairman & CEO of Alcoa and Co-Founder of the Business Roundtable

Data Confidence: 81% · Sources: 4 · Last Updated: Sep 18, 2026

Net Worth ▲: Estimated $10M – $50M
Reach ▲: 500.0K people
Power ▲: As CEO and Chairman of Alcoa, Harper commanded the world's largest aluminum manufacturing operations, overseeing vast smelting facilities and energy generation infrastructure across North America.
Influence ▲: Harper reshaped American corporate advocacy and public policy by co-founding the Business Roundtable in 1972, establishing a platform for Fortune 500 chief executives to lobby federal leadership.
Network ▲: He maintained top-tier network access across business and government, regularly consulting with U.S. Presidents Lyndon Johnson, Richard Nixon, and Gerald Ford, as well as leaders across the global aluminum industry.
Legacy ▲: Harper expanded Alcoa into a preeminent global industrial firm and institutionalized corporate executive lobbying through the establishment of the Business Roundtable.
Trajectory ▲: Stable — first assessment on record.

About

John Dickson Harper (1910–1985) was an American industrialist who served as Chief Executive Officer and Chairman of the Aluminum Company of America (Alcoa), the world's largest aluminum producer during his leadership. Beginning his career at Alcoa as a summer employee in 1925 and an electrical engineer in 1933, he advanced to become president in 1963, CEO in 1965, and board chairman in 1970. In 1972, Harper co-founded the Business Roundtable, a major U.S. advocacy organization for corporate chief executives, and served as its chairman. He also served as a director for corporations including the Communications Satellite Corporation (COMSAT) and advised U.S. presidential administrations on international trade and economic affairs.