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Mark Millett
Chief Executive Officer at
STEEL DYNAMICS, INC.
Net worth: 785 M $ as of 2026-05-30
Profile
Founder of Steel Dynamics, Inc., Mark D. Millett presently is President, Chief Executive Officer & Director at this company and President for Steel Dynamics Columbus LLC (a subsidiary of Steel Dynamics, Inc.). In his past career Mr. Millett held the position of Chief Metallurgist at Nucor Corp., President & Chief Operating Officer of OmniSource Corp., Executive VP-Flat Rolled Steel Operations at The Techs and Executive Vice President-Metals Recycling at Ferrous Resources Ltd. Mr. Millett received an undergraduate degree from the University of Surrey.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
STEEL DYNAMICS, INC. 2.09% | 2026-03-15 | 3,016,701 ( 2.09% ) | 785 M $ | 2026-05-30 |
Latest news about Mark Millett
Mark Millett active positions
| Companies | Position | Start |
|---|---|---|
| STEEL DYNAMICS, INC. | Chief Executive Officer | 2011-12-31 |
Steel Dynamics Columbus LLC
 Steel Dynamics Columbus LLC SteelNon-Energy Minerals Manufactures and sells steel products | President | - |
Former positions of Mark Millett
| Companies | Position | End |
|---|---|---|
OmniSource LLC
 OmniSource LLC Other Metals/MineralsNon-Energy Minerals Processes and distributes scrap and secondary metals | President | 2011-03-31 |
The Techs Industries, Inc.
 The Techs Industries, Inc. SteelNon-Energy Minerals Manufactures and supplies hot dipped galvanized steel sheets | Corporate Officer/Principal | 2006-12-31 |
| NUCOR CORPORATION | Corporate Officer/Principal | 1984-12-31 |
The Steel Manufacturers Association
 The Steel Manufacturers Association Miscellaneous Commercial ServicesCommercial Services Operates as trade association, which represents steel manufacturers | Chairman | - |
Ferrous Resources Ltd.
 Ferrous Resources Ltd. SteelNon-Energy Minerals Engages in the exploration and mining of iron ores | Corporate Officer/Principal | - |
Training of Mark Millett
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
60
1st degree connections
8
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 8 |
|---|---|
Nucor Corp.
 Nucor Corp. SteelNon-Energy Minerals Manufactures steel and steel products | Non-Energy Minerals |
Steel Dynamics, Inc.
 Steel Dynamics, Inc. SteelNon-Energy Minerals Engages in steel operations & fabrications and metals recycling services | Non-Energy Minerals |
OmniSource LLC
OmniSource LLC Other Metals/MineralsNon-Energy Minerals Processes and distributes scrap and secondary metals | Non-Energy Minerals |
The Techs Industries, Inc.
The Techs Industries, Inc. SteelNon-Energy Minerals Manufactures and supplies hot dipped galvanized steel sheets | Non-Energy Minerals |
University of Surrey
 University of Surrey Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
The Steel Manufacturers Association
The Steel Manufacturers Association Miscellaneous Commercial ServicesCommercial Services Operates as trade association, which represents steel manufacturers | Commercial Services |
Ferrous Resources Ltd.
Ferrous Resources Ltd. SteelNon-Energy Minerals Engages in the exploration and mining of iron ores | Non-Energy Minerals |
Steel Dynamics Columbus LLC
Steel Dynamics Columbus LLC SteelNon-Energy Minerals Manufactures and sells steel products | Non-Energy Minerals |
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