Duncan MacMillan

Duncan MacMillan

Duncan MacMillan (#2258)

  • $ 2 B
  • Bloomberg LP
  • United States
  • M
  • 88 Years

About Me

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 Images

Achievements

Career Highlights

A snapshot of the defining milestones, leadership decisions, and breakthroughs that shaped Duncan MacMillan’s rise and global influence.

  • #2274   Billionaires (2026)

Wealth Growth

Net Worth Growth Over Time

Tracking Duncan MacMillan’s net worth journey over the years, highlighting key growth phases and financial milestones.

Current Net Worth: $1.8B (May 4, 2026)