Company Announcements

August 4, 2026
SDI taps Wagler as president and CEO, Millett to retire
Written by David Schollaert
Steel Dynamics Inc. (SDI) has promoted Theresa Wagler, presently EVP and CFO, to president and CEO, effective Jan. 1, 2027.
The Fort Wayne, Ind.-based steelmaker said Mark Millett, co-founder and company CEO since 2012, will retire as CEO and transition to executive chairman of the board.

