Person profile

Public information reviewed

Matthew Thornton, III

Board role

Independent Director · Crown Castle (NYSE: CCI)

Board role

Director · Nuveen NASDAQ 100 Dynamic Overwrite Fund (NASDAQ: QQQX)

Board role

Director · Sherwin-Williams (NYSE: SHW)

Crown Castle (NYSE: CCI)

Independent Director · Current mandate

Director · Executive · Board
Evidence records
13
Profile ownership
Not yet claimed
Record reviewed
May 16, 2026
View evidence

Agent View

Machine representations

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

Markdown

https://registry.alpha.ac/people/matthew-thornton-iii.md
Open Markdown

Matthew Thornton, III

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 Unknown, unavailable, and unpublished values are never inferred as zero.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:matthew-thornton-iii
Entity typePerson
Canonical URLhttps://registry.alpha.ac/people/matthew-thornton-iii
PublicationPUBLISHED
Verificationcorroborated
Verification schemaalpha-verification-states-v1
Ownershipunclaimed
Published claims20
Claims under review0
Evidence records13
Conflicts0
Conflicts in internal review0
Observed2026-09-24T20:28:29.174256+00:00
Last reviewed2026-05-16T03:46:36.58+00:00

Identity

  • Legal name: Matthew Thornton, III
  • Display name: Matthew Thornton, III

Leadership

  • PUBLISHED

Roles

  • Independent Director at Crown Castle. Valid from: 2020-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:matthew-thornton-iii:3.
  • Director at Nuveen NASDAQ 100 Dynamic Overwrite Fund. Valid from: 2020-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:matthew-thornton-iii:7.
  • Director at Sherwin-Williams. Valid from: 2014-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:matthew-thornton-iii:9.

Governance

  • PUBLISHED

Board committees

  • PUBLISHED

AI and ML experience

  • AI and ML experience: not identified in the cited filing. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:evidence:person:matthew-thornton-iii:1, alpha:evidence:person:matthew-thornton-iii:2.

AI expertise

  • AI expertise: not identified in the cited filing. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:matthew-thornton-iii:10.

AI governance relevance

  • AI governance relevance: not identified in the cited filing. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:matthew-thornton-iii:10.

Board independence

  • Independent director. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:evidence:person:matthew-thornton-iii:8, alpha:evidence:person:matthew-thornton-iii:4.

Board membership

  • Serves on the board of Crown Castle Inc.. Valid from: 2014-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:evidence:person:matthew-thornton-iii:8, alpha:evidence:person:matthew-thornton-iii:12, alpha:evidence:person:matthew-thornton-iii:4.
  • Serves on the board of Nuveen NASDAQ 100 Dynamic Overwrite Fund. Valid from: 2014-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:evidence:person:matthew-thornton-iii:11, alpha:evidence:person:matthew-thornton-iii:4.
  • Serves on the board of The Sherwin-Williams Company. Valid from: 2014-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:evidence:person:matthew-thornton-iii:4, alpha:evidence:person:matthew-thornton-iii:13.

Board role

  • Board role: Director. Valid from: 2026-03-03. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:evidence:person:matthew-thornton-iii:2, alpha:evidence:person:matthew-thornton-iii:5, alpha:evidence:person:matthew-thornton-iii:6.

Committee assignments

  • No committee assignment disclosed in the cited filing. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:matthew-thornton-iii:4.
  • Committee assignments: Audit, Dividend, Compliance, Nominating/Governance, Investment, Closed-End Fund. Valid from: 2026-03-03. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:matthew-thornton-iii:6.
  • Committee assignments: Audit, Compensation, Nominating/Governance. Valid from: 2026-04-06. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:matthew-thornton-iii:2.
  • Committee assignments: Compensation, Nominating/Governance. Valid from: 2026-03-11. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:matthew-thornton-iii:5.

Cybersecurity experience

  • Cybersecurity experience: not identified in the cited filing. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:evidence:person:matthew-thornton-iii:1, alpha:evidence:person:matthew-thornton-iii:2.

Executive company

  • Executive at Crown Castle Inc.. Valid from: 2026-04-06. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:evidence:person:matthew-thornton-iii:1, alpha:evidence:person:matthew-thornton-iii:10.

Executive function

  • Other Executive (OTHER_EXECUTIVE). Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:person:matthew-thornton-iii:10.

Executive title

  • Executive title: Executive Officer. Valid from: 2026-04-06. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:evidence:person:matthew-thornton-iii:1, alpha:evidence:person:matthew-thornton-iii:10.

Technology background

  • Technology background: not identified in the cited filing. Publication: PUBLISHED. Verification: corroborated. Assertion: source_reported. Evidence: alpha:evidence:person:matthew-thornton-iii:1, alpha:evidence:person:matthew-thornton-iii:2.

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

Connected governance records

Structured intelligence is not currently available. Existing published profile evidence remains accessible.