Person profile

Public information reviewed

Michael S. Simmons

Role

Vice Chairman of the Board at NL INDUSTRIES INC (NYSE: NL)

Board role

Director · VALHI INC /DE/ (NYSE: VHI)

Board role

Vice Chairman of the Board · COMPX INTERNATIONAL INC (NYSE: CIX)

Board role

Vice Chairman of the Board · KRONOS WORLDWIDE INC (NYSE: KRO)

Board role

Vice Chairman of the Board · NL INDUSTRIES INC (NYSE: NL)

VALHI INC /DE/ (NYSE: VHI)

Director · Current mandate

Executive
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Reports & analysisAlpha Eval
Public sources
12 reviewed
Profile ownership
Not yet claimed
Last reviewed
Sep 12, 2026
View sources

Agent View

Machine representations

Inspect the same governed public record as Markdown, structured data, or a retrieval endpoint.

Canonical entity
alpha:person:michael-s-simmons
Schema
alpha.governance.entity.public.v1
Last reviewed
2026-09-12T15:54:47.545327+00:00
Verification
corroborated
Ownership
unclaimed

Markdown

https://registry.alpha.ac/people/michael-s-simmons.md
Open Markdown

Michael S. Simmons

Alpha governed public record. Unknown, unavailable, and unpublished values are never inferred as zero.

Record

FieldValue
Representationalpha-profile-markdown-v3
ProtocolAlpha Governance Facts Protocol 0.1
Schemaalpha.governance.entity.public.v1
Record versionpublic-0
Canonical entityalpha:person:michael-s-simmons
Entity typePerson
Canonical URLhttps://registry.alpha.ac/people/michael-s-simmons
PublicationPUBLISHED
Verificationcorroborated
Verification schemaalpha-verification-states-v1
Ownershipunclaimed
Published claims19
Claims under review0
Evidence records12
Conflicts0
Conflicts in internal review0
Observed2026-09-16T00:35:30.666254+00:00
Last reviewed2026-09-12T15:54:47.545327+00:00

Identity

  • Legal name: Michael S. Simmons
  • Display name: Michael S. Simmons

Leadership

  • PUBLISHED

Roles

  • Director at VALHI INC /DE/. Valid from: 2022-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:michael-s-simmons:4.
  • Vice Chairman of the Board at COMPX INTERNATIONAL INC. Valid from: NOT_ASSERTED. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:michael-s-simmons:2.
  • Vice Chairman of the Board at KRONOS WORLDWIDE INC. Valid from: NOT_ASSERTED. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:michael-s-simmons:8.
  • Vice Chairman of the Board at NL INDUSTRIES INC. Valid from: NOT_ASSERTED. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:michael-s-simmons:6.
  • Vice Chairman of the Board at NL INDUSTRIES INC. Valid from: NOT_ASSERTED. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:michael-s-simmons:6.

Governance

  • PUBLISHED

Board committees

  • PUBLISHED

AI and ML experience

  • AI and ML experience: not identified in the cited filing. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:michael-s-simmons:3.

Board membership

  • Serves on the board of COMPX INTERNATIONAL INC. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:michael-s-simmons:10.
  • Serves on the board of KRONOS WORLDWIDE INC. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:michael-s-simmons:11.
  • Serves on the board of NL INDUSTRIES INC. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:michael-s-simmons:12.
  • Serves on the board of VALHI INC /DE/. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:michael-s-simmons:9.

Cybersecurity experience

  • Cybersecurity experience: not identified in the cited filing. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:michael-s-simmons:3.

Executive company

  • Executive at COMPX INTERNATIONAL INC. Valid from: 2026-04-07. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:michael-s-simmons:1.
  • Executive at KRONOS WORLDWIDE INC. Valid from: 2026-03-24. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:michael-s-simmons:7.
  • Executive at NL INDUSTRIES INC. Valid from: 2026-03-25. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:michael-s-simmons:5.
  • Executive at VALHI INC /DE/. Valid from: 2026-04-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:michael-s-simmons:3.

Executive title

  • Executive title: Vice Chairman of the Board. Valid from: 2026-03-24. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:evidence:person:michael-s-simmons:1, alpha:evidence:person:michael-s-simmons:5, alpha:evidence:person:michael-s-simmons:7.
  • Executive title: Vice Chairman of the Board, President and Chief Executive Officer. Valid from: 2026-04-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:michael-s-simmons:3.

Other Company Role

  • Michael S. Simmons is also linked to Contran Corporation as Executive officer at Contran, CompX, Kronos Worldwide, and NL.. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:michael-s-simmons:3.

Technology background

  • Technology background: not identified in the cited filing. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:michael-s-simmons:3.

Coverage states

FieldValue
IdentityPUBLISHED
BusinessNOT_APPLICABLE
LeadershipPUBLISHED
Board and committeesPUBLISHED
GovernancePUBLISHED
FinancialsNOT_APPLICABLE
WorkforceNOT_APPLICABLE
OwnershipNOT_APPLICABLE
RatingsNOT_PUBLISHED
Market and index contextNOT_APPLICABLE

Public sources

Rights

FieldValue
public_retrievalallowed
agent_retrievalallowed
redistributionnot_granted
model_trainingnot_granted
commercial_usenot_specified
relationship_pathfindingnot_granted
direct_contactnot_granted

Limitations

  • Only permissioned public claims and evidence are included.
  • Absence of a claim is not evidence that the underlying fact is false.
  • Public retrieval does not grant model-training or redistribution rights.
  • Private relationships and Council activity are excluded.

Alternate representations