Company Profile
Public information reviewed
TETRA TECH INC
Canonical company identity and public leadership record.
USNASDAQ: TTEK
- Public sources
- 1 reviewed
- Published leadership records
- 16
- Last reviewed
- Sep 17, 2026
Agent View
Machine representations
Inspect the same governed public record as Markdown, structured data, or a retrieval endpoint.
Markdown
https://registry.alpha.ac/companies/tetra-tech-inc.mdTETRA TECH INC
Alpha governed public record. Unknown, unavailable, and unpublished values are never inferred as zero.
Record
| Field | Value |
|---|---|
| Representation | alpha-profile-markdown-v3 |
| Protocol | Alpha Governance Facts Protocol 0.1 |
| Schema | alpha.governance.entity.public.v1 |
| Record version | public-1 |
| Canonical entity | alpha:company:104381dd-0d87-431f-b4a1-64469fd08ce1 |
| Entity type | Company |
| Canonical URL | https://registry.alpha.ac/companies/tetra-tech-inc |
| Publication | PUBLISHED |
| Verification | source_reported |
| Verification schema | alpha-verification-states-v1 |
| Ownership | unclaimed |
| Published claims | 20 |
| Claims under review | 2 |
| Evidence records | 4 |
| Conflicts | 0 |
| Conflicts in internal review | 0 |
| Observed | 2026-09-17T04:45:34.614295+00:00 |
| Last reviewed | 2026-09-17T04:45:34.614295+00:00 |
Identity
- Legal name: TETRA TECH INC
- Display name: TETRA TECH INC
Leadership
- Dan L. Batrack: Director. Valid from: 2005-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:104381dd-0d87-431f-b4a1-64469fd08ce1:2.
- Gary R. Birkenbeuel: Director. Valid from: 2018-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:104381dd-0d87-431f-b4a1-64469fd08ce1:2.
- Jeffrey R. Feeler: Director. Valid from: 2025-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:104381dd-0d87-431f-b4a1-64469fd08ce1:2.
- M. Susan Hardwick: Director. Valid from: 2025-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:104381dd-0d87-431f-b4a1-64469fd08ce1:2.
- Prashant Gandhi: Director. Valid from: 2022-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:104381dd-0d87-431f-b4a1-64469fd08ce1:2.
- Bernard Teufele: President of Environment & Geotech Division. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:104381dd-0d87-431f-b4a1-64469fd08ce1:3.
- Brendan J. O'Rourke: Senior Vice President of Enterprise Risk Management. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:104381dd-0d87-431f-b4a1-64469fd08ce1:3.
- Brian N. Carter: Senior Vice President, Corporate Controller and Chief Accounting Officer. Valid from: 2025-11-20. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:104381dd-0d87-431f-b4a1-64469fd08ce1:4.
- Craig L. Christensen: Senior VP & Chief Information Officer. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:104381dd-0d87-431f-b4a1-64469fd08ce1:3.
- Dan L. Batrack: Chairman and Chief Executive Officer. Valid from: 2025-11-20. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:104381dd-0d87-431f-b4a1-64469fd08ce1:4.
- Leslie Shoemaker: Executive Vice President, Chief Innovation and Sustainability Officer. Valid from: 2025-11-20. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:104381dd-0d87-431f-b4a1-64469fd08ce1:4.
- Olivier H. Jeannot: President of Federal Information Technology Division. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:104381dd-0d87-431f-b4a1-64469fd08ce1:3.
- Preston Hopson: Executive Vice President, Chief Legal and Human Capital Officer and Secretary. Valid from: 2025-11-20. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:104381dd-0d87-431f-b4a1-64469fd08ce1:4.
- Richard A. Lemmon: Senior Vice President of Corporate Administration. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:104381dd-0d87-431f-b4a1-64469fd08ce1:3.
- Roger R. Argus: President. Valid from: 2025-11-20. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:104381dd-0d87-431f-b4a1-64469fd08ce1:4.
- Steven M. Burdick: Executive Vice President, Chief Financial Officer. Valid from: 2025-11-20. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:104381dd-0d87-431f-b4a1-64469fd08ce1:4.
Roles
- PUBLISHED
Governance
- NOT_ASSERTED
Board committees
- PUBLISHED
Financials
- NOT_ASSERTED
Workforce
- NOT_ASSERTED
Market and index context
- PUBLISHED
Legal Name
- TETRA TECH INC. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:104381dd-0d87-431f-b4a1-64469fd08ce1:1.
Headquarters
- US. Publication: UNDER_REVIEW. Verification: source_reported. Assertion: source_reported. Evidence: unlinked, under review.
Entity Status
- Public listing published. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:104381dd-0d87-431f-b4a1-64469fd08ce1:1.
Official Website
- https://www.tetratech.com. Publication: UNDER_REVIEW. Verification: source_reported. Assertion: source_reported. Evidence: unlinked, under review.
Published Fact
- US. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:104381dd-0d87-431f-b4a1-64469fd08ce1:1.
- Industrials. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:evidence:company:104381dd-0d87-431f-b4a1-64469fd08ce1:1.
Coverage states
| Field | Value |
|---|---|
| Identity | PUBLISHED |
| Business | PUBLISHED |
| Leadership | PUBLISHED |
| Board and committees | PUBLISHED |
| Governance | NOT_ASSERTED |
| Financials | NOT_ASSERTED |
| Workforce | NOT_ASSERTED |
| Ownership | NOT_ASSERTED |
| Ratings | NOT_PUBLISHED |
| Market and index context | PUBLISHED |
Public sources
- alpha:evidence:company:104381dd-0d87-431f-b4a1-64469fd08ce1:1: Alpha canonical company public projection.
- alpha:evidence:company:104381dd-0d87-431f-b4a1-64469fd08ce1:2: Tetra Tech Inc DEF 14A 2026-01-09.
- alpha:evidence:company:104381dd-0d87-431f-b4a1-64469fd08ce1:3: Tetra Tech Inc key executives.
- alpha:evidence:company:104381dd-0d87-431f-b4a1-64469fd08ce1:4: TTEK 10-K executive officers.
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
- Absence of a leadership role, committee, or disclosure is not evidence that it does not exist.
- Only explicitly published canonical company identity and current confirmed public roles are included.
- Absence of a board, committee, executive, listing, or claim is not evidence that it does not exist.
- Public retrieval does not grant redistribution, model-training, direct-contact, or relationship-pathfinding rights.
- This Company Profile is an identity and evidence record, not an Alpha rating.
Alternate representations
- Canonical profile
- Public Markdown
- Public JSON
- JSON-LD
- MCP resource:
alpha://companies/tetra-tech-incat https://mcp.alpha.ac/mcp