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Duncan MacMillan

United States 88 years old Self-Made

Overview

Source of Wealth
Bloomberg LP
Residence
Princeton, New Jersey
Marital Status
Married
Children
2

Biography

Duncan MacMillan cofounded financial data and media company Bloomberg LP in 1981 with Mike Bloomberg, Thomas Secunda and Charles Zegar.

MacMillan left a job at investment bank Salomon Brothers to help Bloomberg with what was then called Innovative Market Systems.

He is credited with designing many of Bloomberg LP's computer systems.

Bloomberg LP has estimated revenues of nearly $15 billion.

About

An active philanthropist, MacMillan has signed the Giving Pledge, a promise to give at least half of his fortune to charitable causes.

MacMillan served four years in the Marine Corps after graduating from high school. He graduated from Rutgers University in 1966.