---
title: "BIEBER MICHAEL A — Ownership Dossier"
canonical: https://whiteintel.dev/entity/2bc05624-cbf0-5d3e-a37e-a02acf42fc0b
json: https://whiteintel.dev/api/public/dossier/2bc05624-cbf0-5d3e-a37e-a02acf42fc0b
identifier: sec:0001270606
jurisdiction: US
risk: Medium
source: WhiteIntel corporate-ownership graph
---

# BIEBER MICHAEL A

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001270606`  
**Risk level:** Medium  
**Canonical dossier:** https://whiteintel.dev/entity/2bc05624-cbf0-5d3e-a37e-a02acf42fc0b  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/2bc05624-cbf0-5d3e-a37e-a02acf42fc0b  

## Ownership & control

### Holdings / subsidiaries

- **Willdan Group, Inc.** (officer) — https://whiteintel.dev/entity/179029f7-c35c-5139-8d26-6acf9360a950
- **Willdan Group, Inc.** (officer) — https://whiteintel.dev/entity/179029f7-c35c-5139-8d26-6acf9360a950
- **Willdan Group, Inc.** (officer) — https://whiteintel.dev/entity/179029f7-c35c-5139-8d26-6acf9360a950
- **Willdan Group, Inc.** (officer) — https://whiteintel.dev/entity/179029f7-c35c-5139-8d26-6acf9360a950
- **Willdan Group, Inc.** (officer) — https://whiteintel.dev/entity/179029f7-c35c-5139-8d26-6acf9360a950
- **TETRA TECH INC** (officer) — https://whiteintel.dev/entity/379e30fe-63ee-5fe3-ab10-1138640088dd
- **Willdan Group, Inc.** (director) — https://whiteintel.dev/entity/179029f7-c35c-5139-8d26-6acf9360a950
- **Willdan Group, Inc.** (officer) — https://whiteintel.dev/entity/179029f7-c35c-5139-8d26-6acf9360a950

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **BIEBER MICHAEL A**. Human view: https://whiteintel.dev/entity/2bc05624-cbf0-5d3e-a37e-a02acf42fc0b · Structured JSON: https://whiteintel.dev/api/public/dossier/2bc05624-cbf0-5d3e-a37e-a02acf42fc0b._

_Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._