Mark D. Millett
📊 CEO Reputation Score
FY2025 vs FY2024 · Source: SEC EDGAR filings- Free cash flow: −$24M → $502M (+2233.8% YoY) — fiscal 2025 vs fiscal 2024
- Profit (net income): $1.5B → $1.2B (−22.9% YoY) — fiscal 2025 vs fiscal 2024
Overview
Mark D. Millett is the co-founder, chairman & ceo of Steel Dynamics since 1993. Steel Dynamics is a Materials company headquartered in Fort Wayne, Indiana, founded in 1993, and one of the 500 companies in the S&P 500 — every one of which is profiled on this site.
Leadership
Mark holds the chief executive role at Steel Dynamics with the title Co-founder, Chairman & CEO — in post since 1993. This page is the concise leadership record for Steel Dynamics in the S&P 500 CEO index; the site's fully researched long-form profiles (career timelines, education, achievements, setbacks, philosophy and sourced quotes) currently cover the index's ten largest companies, and this entry will be expanded in the same format. Mark D. Millett is a founder of the company — a distinction shared by only a minority of the chief executives in this index.
At a Glance
- Sector: Materials
- Ticker: $STLD
- Headquarters: Fort Wayne, Indiana
- Founded: 1993
- CEO since: 1993
- Index: S&P 500 (#419 of 500)