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Steel Dynamics leadership changes in 2026: 1 executive move

This page lists 1 reported executive move at Steel Dynamics. The latest, on Aug 4, 2026: prnewswire.com reported "Theresa E. Wagler to become Steel Dynamics' President and Chief Executive Officer; Mark D. Millett to become Steel Dynamics' Executive Chairman."

Public (STLD)Building Construction5,001 to 10,000 employeessteeldynamics.comLinkedIn

Executive changes · latest 1

Latest Steel Dynamics executive moves

Signal API · MCP

Track Steel Dynamics with the Signal API

One POST /v1/companies/enrich call with steeldynamics.com returns Steel Dynamics executive changes signals (news, sec-8k), each with its source. Or ask Claude through MCP.

2 credits per signal returned; zero-result calls are free. Endpoint reference

curl -X POST https://signals.autobound.ai/v1/companies/enrich \
  -H "X-API-KEY: $AUTOBOUND_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "domain": "steeldynamics.com",
    "signal_types": ["news","sec-8k"],
    "signal_subtypes": ["hires","promotes","leaves","retires_from",
      "ceoChange","cfoChange"],
    "limit": 20
  }'

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Questions about Steel Dynamics executive changes

Who is the new CEO of Steel Dynamics?
prnewswire.com reported on Aug 4, 2026: Theresa E. Wagler to become Steel Dynamics' President and Chief Executive Officer; Mark D. Millett to become Steel Dynamics' Executive Chairman. Check the source for the final appointment details.
Who has left Steel Dynamics's leadership team?
Reported departures in the latest moves: Aug 4, 2026: Theresa E. Wagler to become Steel Dynamics' President and Chief Executive Officer; Mark D. Millett to become Steel Dynamics' Executive Chairman (prnewswire.com).
What are the latest leadership changes at Steel Dynamics?
This page lists 1 reported executive move. The newest: Aug 4, 2026: Theresa E. Wagler to become Steel Dynamics' President and Chief Executive Officer; Mark D. Millett to become Steel Dynamics' Executive Chairman (prnewswire.com).

Source. News reports and SEC 8-K filings about executive appointments and departures.

Method. Stories about the same move within 14 days merge into one row. Names appear only as the source states them.

Data as of .

How this data is built →Get it from the Signal API →