Mark Millett
Executive Vice President for Metals Recycling and Ferrous Resources
President and Chief Operating Officer of OmniSource Corporation

In August 2008, Mark was named Executive Vice President for Metals Recycling and Ferrous Resources as well as President and Chief Operating Officer of OmniSource Corporation. In this role, he is responsible for SDI's "resources platform," including all ferrous and non-ferrous scrap operations as well as SDI's ironmaking initiatives—Iron Dynamics and the Mesabi Nugget project.

In April 2007, Mark was named an executive vice president in charge of flat-rolled steel operations, including the Flat Roll Division and The Techs, as well as ferrous technologies and mining.

From 1998 to 2007, Mark managed the company's Flat Roll Division at Butler, Indiana, including the hot mill, cold mill, and coating facilities. Under Mark’s leadership, the Flat Roll Division experienced exceptional growth, including upgrading of the facility to include a paint line, expanding shipping capabilities, and increasing the mill's production capacity to approach 3 million tons per year.

One of the co-founders of Steel Dynamics, Mark is a major shareholder and has served on the board of directors since the inception of the company. He earned a bachelor's degree with honors in metallurgy from the University of Surrey, England.

From 1981 to 1985, Mark served as chief metallurgist for Nucor Corporation's Darlington, South Carolina, division. He was then charged with developing the world's first commercially viable thin-slab-casting process as the manager of that project at Nucor's Hazelett facility. The process began to produce a commercially acceptable product in 1987.