# Timothy W. Byrne > Alpha governed public record. Unknown, unavailable, and unpublished values are never inferred as zero. ## Record | Field | Value | | --- | --- | | Representation | alpha-profile-markdown-v4 | | Protocol | Alpha Governance Facts Protocol 0.1 | | Schema | alpha.governance.entity.public.v1 | | Record version | public-0:d751713988987e9331980363e24189ce | | Governance record representation | alpha-governance-record-v2 | | Canonical entity | alpha:person:timothy-w-byrne | | Entity type | Person | | Canonical URL | https://registry.alpha.ac/people/timothy-w-byrne | | Publication | PUBLISHED | | Verification | source_reported | | Verification schema | alpha-verification-states-v1 | | Ownership | unclaimed | | Published claims | 8 | | Claims under review | 0 | | Evidence records | 3 | | Conflicts | 0 | | Conflicts in internal review | 0 | | Observed | 2026-10-24T07:21:36.79497+00:00 | | Last reviewed | 2026-09-14T02:49:56.259386+00:00 | ## Identity - Legal name: Timothy W. Byrne - Display name: Timothy W. Byrne ## Alpha Governance Record | Field | Value | | --- | --- | | Governance Record schema | alpha-governance-record-v2 | | Ontology | alpha-governance-ontology-v1 | | Record version | public-0:d751713988987e9331980363e24189ce | | As of | 2026-10-24T07:21:37.014994+00:00 | | Completeness | 0.8 | | Record Quality | 0.885 | | Directors | 0 | | Committees | 0 | | Governance events | 0 | | Entity class | person | ## Section coverage | Section | State | | --- | --- | | identity | PUBLISHED | | corporate_structure | NOT_APPLICABLE | | board | NOT_APPLICABLE | | committees | NOT_APPLICABLE | | leadership | NOT_APPLICABLE | | ownership | NOT_APPLICABLE | | financials | NOT_APPLICABLE | | capital_structure | NOT_APPLICABLE | | compensation | NOT_APPLICABLE | | governance | NOT_APPLICABLE | | shareholder_governance | NOT_APPLICABLE | | audit | NOT_APPLICABLE | | legal | NOT_APPLICABLE | | risk | NOT_APPLICABLE | | cyber | PUBLISHED | | ai_governance | PUBLISHED | | agent_governance | NOT_APPLICABLE | | markets_external | NOT_APPLICABLE | | events | INSUFFICIENT_EVIDENCE | | relationships | PUBLISHED | | assessments | PUBLISHED | | evidence | PUBLISHED | ## Scoped resources - `alpha://person/timothy-w-byrne` (contract): https://registry.alpha.ac/api/public/profiles/timothy-w-byrne?format=record - `alpha://person/timothy-w-byrne/identity` (contract): https://registry.alpha.ac/api/public/profiles/timothy-w-byrne?format=record§ion=identity - `alpha://person/timothy-w-byrne/corporate-structure` (contract): https://registry.alpha.ac/api/public/profiles/timothy-w-byrne?format=record§ion=corporate-structure - `alpha://person/timothy-w-byrne/board` (contract): https://registry.alpha.ac/api/public/profiles/timothy-w-byrne?format=record§ion=board - `alpha://person/timothy-w-byrne/committees` (contract): https://registry.alpha.ac/api/public/profiles/timothy-w-byrne?format=record§ion=committees - `alpha://person/timothy-w-byrne/leadership` (contract): https://registry.alpha.ac/api/public/profiles/timothy-w-byrne?format=record§ion=leadership - `alpha://person/timothy-w-byrne/ownership` (contract): https://registry.alpha.ac/api/public/profiles/timothy-w-byrne?format=record§ion=ownership - `alpha://person/timothy-w-byrne/financials` (contract): https://registry.alpha.ac/api/public/profiles/timothy-w-byrne?format=record§ion=financials - `alpha://person/timothy-w-byrne/capital-structure` (contract): https://registry.alpha.ac/api/public/profiles/timothy-w-byrne?format=record§ion=capital-structure - `alpha://person/timothy-w-byrne/compensation` (contract): https://registry.alpha.ac/api/public/profiles/timothy-w-byrne?format=record§ion=compensation - `alpha://person/timothy-w-byrne/governance` (contract): https://registry.alpha.ac/api/public/profiles/timothy-w-byrne?format=record§ion=governance - `alpha://person/timothy-w-byrne/shareholder-governance` (contract): https://registry.alpha.ac/api/public/profiles/timothy-w-byrne?format=record§ion=shareholder-governance - `alpha://person/timothy-w-byrne/audit` (contract): https://registry.alpha.ac/api/public/profiles/timothy-w-byrne?format=record§ion=audit - `alpha://person/timothy-w-byrne/legal` (contract): https://registry.alpha.ac/api/public/profiles/timothy-w-byrne?format=record§ion=legal - `alpha://person/timothy-w-byrne/risk` (contract): https://registry.alpha.ac/api/public/profiles/timothy-w-byrne?format=record§ion=risk - `alpha://person/timothy-w-byrne/cyber` (contract): https://registry.alpha.ac/api/public/profiles/timothy-w-byrne?format=record§ion=cyber - `alpha://person/timothy-w-byrne/ai-governance` (contract): https://registry.alpha.ac/api/public/profiles/timothy-w-byrne?format=record§ion=ai-governance - `alpha://person/timothy-w-byrne/agents` (contract): https://registry.alpha.ac/api/public/profiles/timothy-w-byrne?format=record§ion=agents - `alpha://person/timothy-w-byrne/ecosystem` (contract): https://registry.alpha.ac/api/public/profiles/timothy-w-byrne?format=record§ion=ecosystem - `alpha://person/timothy-w-byrne/events` (contract): https://registry.alpha.ac/api/public/profiles/timothy-w-byrne?format=record§ion=events - `alpha://person/timothy-w-byrne/relationships` (contract): https://registry.alpha.ac/api/public/profiles/timothy-w-byrne?format=record§ion=relationships - `alpha://person/timothy-w-byrne/assessments` (contract): https://registry.alpha.ac/api/public/profiles/timothy-w-byrne?format=record§ion=assessments - `alpha://person/timothy-w-byrne/evidence` (contract): https://registry.alpha.ac/api/public/profiles/timothy-w-byrne?format=record§ion=evidence ## Role modules - Executive - Director ## Attention - NO_RECORDS_FOUND ## Committee data - NO_RECORDS_FOUND ## Leadership - PUBLISHED ## Roles - President and Chief Executive Officer at UNITED STATES LIME & MINERALS INC. Claim: alpha:claim:person:timothy-w-byrne:role:1. Valid from: NOT_ASSERTED. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:094631aedea1841ae5188c68e052b4d8a404e3e10d7f910aa98966fa867b0748. - President and Chief Executive Officer and Director at UNITED STATES LIME & MINERALS INC. Claim: alpha:claim:person:timothy-w-byrne:role:2. Valid from: NOT_ASSERTED. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:094631aedea1841ae5188c68e052b4d8a404e3e10d7f910aa98966fa867b0748. ## Governance - PUBLISHED ## Board committees - PUBLISHED ## AI and ML experience - AI and ML experience: not identified in the cited filing. Claim: alpha:claim:person:timothy-w-byrne:ai_ml_experience:1. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:528fb2425389e3d69645345590d1530b5933a9fd19acbf3950a393bfbdd9196b. ## Board membership - Serves on the board of UNITED STATES LIME & MINERALS INC. Claim: alpha:claim:person:timothy-w-byrne:board_membership:2. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:906986f67ade6da9170b527a711b36a4fa30c0a6f3bbc631868802a2a1357aa6. ## Cybersecurity experience - Cybersecurity experience: not identified in the cited filing. Claim: alpha:claim:person:timothy-w-byrne:cybersecurity_experience:3. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:528fb2425389e3d69645345590d1530b5933a9fd19acbf3950a393bfbdd9196b. ## Executive company - Executive at UNITED STATES LIME & MINERALS INC. Claim: alpha:claim:person:timothy-w-byrne:executive_company:4. Valid from: 2026-03-27. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:528fb2425389e3d69645345590d1530b5933a9fd19acbf3950a393bfbdd9196b. ## Executive title - Executive title: President and Chief Executive Officer. Claim: alpha:claim:person:timothy-w-byrne:executive_title:5. Valid from: 2026-03-27. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:528fb2425389e3d69645345590d1530b5933a9fd19acbf3950a393bfbdd9196b. ## Technology background - Technology background: not identified in the cited filing. Claim: alpha:claim:person:timothy-w-byrne:technology_background:6. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:528fb2425389e3d69645345590d1530b5933a9fd19acbf3950a393bfbdd9196b. ## Coverage states | Field | Value | | --- | --- | | Identity | PUBLISHED | | Business | NOT_APPLICABLE | | Leadership | PUBLISHED | | Board and committees | PUBLISHED | | Governance | PUBLISHED | | Financials | NOT_APPLICABLE | | Workforce | NOT_APPLICABLE | | Ownership | NOT_APPLICABLE | | Ratings | NOT_PUBLISHED | | Market and index context | NOT_APPLICABLE | ## Public sources - alpha:projection-evidence:document:528fb2425389e3d69645345590d1530b5933a9fd19acbf3950a393bfbdd9196b: [USLM DEF 14A executive officers](https://www.sec.gov/Archives/edgar/data/82020/000110465926036078/uslm-20260501xdef14a.htm). - alpha:projection-evidence:document:094631aedea1841ae5188c68e052b4d8a404e3e10d7f910aa98966fa867b0748: [sec_def_14a](https://www.sec.gov/Archives/edgar/data/82020/000110465926036078/uslm-20260501xdef14a.htm). - alpha:projection-evidence:906986f67ade6da9170b527a711b36a4fa30c0a6f3bbc631868802a2a1357aa6: [public_source](https://www.sec.gov/Archives/edgar/data/82020/000110465926036078/uslm-20260501xdef14a.htm). ## Rights | Field | Value | | --- | --- | | public_retrieval | allowed | | agent_retrieval | allowed | | redistribution | not_granted | | model_training | not_granted | | commercial_use | not_specified | | relationship_pathfinding | not_granted | | direct_contact | not_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 - [Canonical profile](https://registry.alpha.ac/people/timothy-w-byrne) - [Public Markdown](https://registry.alpha.ac/people/timothy-w-byrne.md) - [Public JSON](https://registry.alpha.ac/api/public/profiles/timothy-w-byrne?format=record) - [JSON-LD](https://registry.alpha.ac/api/public/profiles/timothy-w-byrne?format=jsonld) - MCP resource: `alpha://people/timothy-w-byrne` at https://mcp.alpha.ac/mcp ## Connected governance records Only explicitly published, rights-cleared records. Missing records do not establish absence, safety, or complete coverage.