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    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.

    David Schollaert

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