---
title: "CH2M HILL COMPANIES LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/8fc32dbf-e00d-56d3-9385-0e620320e559
json: https://whiteintel.dev/api/public/dossier/8fc32dbf-e00d-56d3-9385-0e620320e559
identifier: sec:0000777491
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# CH2M HILL COMPANIES LTD

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0000777491`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/8fc32dbf-e00d-56d3-9385-0e620320e559  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/8fc32dbf-e00d-56d3-9385-0e620320e559  

## Ownership & control

### Owners / controllers

- **DEHN WILLIAM T** (director) — https://whiteintel.dev/entity/68749cfe-2dce-54f3-8a18-c76cf9dc7e2f
- **WILLIAMS BARRY L** (director) — https://whiteintel.dev/entity/7169eb9c-c7a0-5b3b-a23c-69f2b68801b6
- **SANTEE M CATHERINE** (director) — https://whiteintel.dev/entity/033d7bc2-0f1f-5030-b8af-7a8556cc981d
- **COX RALPH F** (other) — https://whiteintel.dev/entity/ad2b808f-0508-59bb-aec2-1931e15a8583
- **MCINTIRE LEE A** (officer) — https://whiteintel.dev/entity/543abbf3-8478-583f-a253-a022b58866e1
- **EVANS DONALD S** (officer) — https://whiteintel.dev/entity/05458868-8ee2-5092-ab17-7c8fe7a307aa
- **FERRIS JAMES J** (officer) — https://whiteintel.dev/entity/bcd1329e-db91-5611-8986-c15ec8b7a24c
- **SANTEE M CATHERINE** (officer) — https://whiteintel.dev/entity/033d7bc2-0f1f-5030-b8af-7a8556cc981d
- **AHEARN JOSEPH A** (officer) — https://whiteintel.dev/entity/1b2f3430-a718-51b7-9fa0-cb336259a1d7
- **PETERSON RALPH R** (officer) — https://whiteintel.dev/entity/1533cf32-4945-59de-9228-08507df4d2ea
- **GEIST JERRY D** (director) — https://whiteintel.dev/entity/ab0aaf10-7a25-5bf0-97cc-318b21dbb6c5
- **SHEA JOANN** (officer) — https://whiteintel.dev/entity/423db0e9-be0f-5626-b8da-f478f9020229
- **HIGDEM GARRY M** (officer) — https://whiteintel.dev/entity/96017325-610d-5272-8880-d6779c15e573
- **BAILEY ROBERT W** (director) — https://whiteintel.dev/entity/b23adc0f-f4aa-5647-b141-975a3953e19c
- **KING SUSAN D** (director) — https://whiteintel.dev/entity/c09874ba-8a7e-5912-9e48-5fc4e82ef1a6
- **IAPALUCCI SAMUEL H** (officer) — https://whiteintel.dev/entity/92ba122a-6ab4-5cab-b60c-108fa8cbf775
- **PRICE DAVID B** (director) — https://whiteintel.dev/entity/ed9cf221-f333-5522-909d-0885179cdcab
- **CHIN CAROLYN** (director) — https://whiteintel.dev/entity/0f5177b5-3d80-5308-bd1d-19bdf2339742
- **CARD ROBERT G** (officer) — https://whiteintel.dev/entity/ba5db1dd-6dcf-5d58-8833-36221b8411eb
- **EVANS DONALD S** (director) — https://whiteintel.dev/entity/05458868-8ee2-5092-ab17-7c8fe7a307aa
- **SEARLE THOMAS G** (director) — https://whiteintel.dev/entity/d3a5e21a-169e-5179-8588-13eaa3dd9375
- **PETERSON RALPH R** (director) — https://whiteintel.dev/entity/1533cf32-4945-59de-9228-08507df4d2ea
- **FERRIS JAMES J** (director) — https://whiteintel.dev/entity/bcd1329e-db91-5611-8986-c15ec8b7a24c
- **CARD ROBERT G** (director) — https://whiteintel.dev/entity/ba5db1dd-6dcf-5d58-8833-36221b8411eb
- **ORSENIGO CARLO** (officer) — https://whiteintel.dev/entity/0b3fe002-bfe8-53f7-9642-05f643942b57
- **BRINDED MALCOLM** (director) — https://whiteintel.dev/entity/52fb2432-3e0e-53ea-ab9e-771c610ef2f2
- **HOLLIDAY CHARLES O JR** (director) — https://whiteintel.dev/entity/141f8261-f9f8-5d2d-82b0-235f8a847d10
- **BECKMAN RYAN** (officer) — https://whiteintel.dev/entity/921323bb-0c94-5836-8e35-014df03db958
- **JEFFCOAT W BLAKELY** (director) — https://whiteintel.dev/entity/6d4a22f9-909a-575e-a903-b7d0b59cd52f
- **HINMAN JACQUELINE C.** (director) — https://whiteintel.dev/entity/36161333-d41e-51c8-a35b-d7a844bc4c63
- **HINMAN JACQUELINE C.** (officer) — https://whiteintel.dev/entity/36161333-d41e-51c8-a35b-d7a844bc4c63
- **NELSON GEORGIA R** (director) — https://whiteintel.dev/entity/0adcc918-c9f8-5822-83c2-6c115a3ef56b
- **MCINTYRE GREGORY T** (director) — https://whiteintel.dev/entity/dbd1e2ce-bb7a-52bb-a687-3b24a7860ef8
- **Glatch Lisa** (director) — https://whiteintel.dev/entity/36deb112-ad40-50f0-9709-50ad16525a5f
- **WALSTROM JANET** (director) — https://whiteintel.dev/entity/442ecd31-5492-5853-a6da-542063105b49
- **KLEINMAN SCOTT** (director) — https://whiteintel.dev/entity/f2889372-5c7d-570c-b49b-08e15fdcc7fa
- **GUSTAFSON SHELETTE M** (officer) — https://whiteintel.dev/entity/d7dcd6db-a563-53cd-b0b0-7f18b5d92aeb
- **MCINTYRE GREGORY T** (officer) — https://whiteintel.dev/entity/dbd1e2ce-bb7a-52bb-a687-3b24a7860ef8
- **MCARTHUR GARY L** (officer) — https://whiteintel.dev/entity/2d0b95b8-fe92-597e-bdf3-a4bcd74ce91c
- **RUHL TERRY A** (director) — https://whiteintel.dev/entity/a9fc1d4e-e642-5315-9153-248a00f55cd9
- **MCCOY THOMAS M** (officer) — https://whiteintel.dev/entity/8c752e78-e47f-5e56-b236-6096838f60e7
- **SUTTON MATTHEW** (officer) — https://whiteintel.dev/entity/5a464945-05b5-50bd-8784-23a3442369b9
- **Glatch Lisa** (officer) — https://whiteintel.dev/entity/36deb112-ad40-50f0-9709-50ad16525a5f
- **PENNELLA THOMAS** (director) — https://whiteintel.dev/entity/a4b6d6ea-f58c-526a-9104-83e6b5db19a1
- **Munfakh Antoine G** (director) — https://whiteintel.dev/entity/ebebfc72-8280-5c0a-948c-0ebf9ba708c7
- **SPERANZA ELISA M** (director) — https://whiteintel.dev/entity/6e6569c5-3405-5453-8574-3997b290c828
- **GROSS FRANK C JR** (officer) — https://whiteintel.dev/entity/04dc2861-dd44-5c1a-9289-3bef390e3fa3
- **FALLON MARK D** (officer) — https://whiteintel.dev/entity/49a78a2a-67d7-5455-b307-4d8b201bfa93
- **FALLON MARK D** (director) — https://whiteintel.dev/entity/49a78a2a-67d7-5455-b307-4d8b201bfa93
- **MADIA JOHN** (officer) — https://whiteintel.dev/entity/7de9bcce-7b95-5d9f-88f3-129dc019868b
- **AP VIII CH2 HOLDINGS, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/4cb7db0b-d42f-545b-b95b-448ab8dba287
- **APOLLO CAPITAL MANAGEMENT VIII, LLC** (tenpercentowner) — https://whiteintel.dev/entity/e2afa874-0f8a-5c12-9d96-067705bc79a5
- **APOLLO ADVISORS VIII, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/89aa27c0-a891-53b7-85bb-7cbd558affc0
- **Apollo Principal Holdings A GP, Ltd.** (tenpercentowner) — https://whiteintel.dev/entity/4773f872-b289-5f15-a05b-09fc259f206e
- **APH HOLDINGS, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/2ab84626-c854-550a-9597-3c74e7a60400
- **SZOMJASSY MICHAEL A** (officer) — https://whiteintel.dev/entity/4f7bd271-96e8-5227-b133-f80d99550c02
- **SPERANZA ELISA M** (officer) — https://whiteintel.dev/entity/6e6569c5-3405-5453-8574-3997b290c828
- **SZOMJASSY MICHAEL A** (director) — https://whiteintel.dev/entity/4f7bd271-96e8-5227-b133-f80d99550c02
- **BERRA J ROBERT** (director) — https://whiteintel.dev/entity/cbdd4599-8111-5fcd-a877-57d9adc99cf1
- **MCINTIRE LEE A** (director) — https://whiteintel.dev/entity/543abbf3-8478-583f-a253-a022b58866e1
- **MCKELVY MICHAEL E** (officer) — https://whiteintel.dev/entity/713340af-f755-545f-a02b-7d6b2d4c9676
- **NIXON GREGORY S.** (officer) — https://whiteintel.dev/entity/192ffdfe-506e-538d-96e5-72d240b3018f
- **MCKELVY MICHAEL E** (director) — https://whiteintel.dev/entity/713340af-f755-545f-a02b-7d6b2d4c9676
- **LUCKI MICHAEL A.** (director) — https://whiteintel.dev/entity/92e914ef-60d4-5996-b5f6-ef62b0e8cc88
- **LUCKI MICHAEL A.** (officer) — https://whiteintel.dev/entity/92e914ef-60d4-5996-b5f6-ef62b0e8cc88
- **BAILEY ROBERT W** (officer) — https://whiteintel.dev/entity/b23adc0f-f4aa-5647-b141-975a3953e19c
- **MCLEAN MARGARET B** (officer) — https://whiteintel.dev/entity/8c922e7b-dc96-5193-b4af-693ae125e954
- **MCLEAN MARGARET B** (officerother) — https://whiteintel.dev/entity/8c922e7b-dc96-5193-b4af-693ae125e954
- **TUOR NANCY** (director) — https://whiteintel.dev/entity/e0923a70-deff-58ea-a29b-3a8d8dd5ee33
- **AGUIRRE MANUEL E** (director) — https://whiteintel.dev/entity/a6a56ab2-c452-5442-b049-b7b1c1784d95
- **BRUNE FREDERICK M** (officer) — https://whiteintel.dev/entity/3e135b6b-1430-55c4-b684-3706b2ed96c9
- **MADIA JOHN** (officerother) — https://whiteintel.dev/entity/7de9bcce-7b95-5d9f-88f3-129dc019868b
- **SEARLE THOMAS G** (officer) — https://whiteintel.dev/entity/d3a5e21a-169e-5179-8588-13eaa3dd9375
- **TUOR NANCY** (officer) — https://whiteintel.dev/entity/e0923a70-deff-58ea-a29b-3a8d8dd5ee33
- **HIGDEM GARRY M** (director) — https://whiteintel.dev/entity/96017325-610d-5272-8880-d6779c15e573
- **SHEA JOANN** (officerother) — https://whiteintel.dev/entity/423db0e9-be0f-5626-b8da-f478f9020229
- **LASSWELL MARK A** (director) — https://whiteintel.dev/entity/d66e12af-7868-59f6-816a-7039d299246e
- **LASSWELL MARK A** (officer) — https://whiteintel.dev/entity/d66e12af-7868-59f6-816a-7039d299246e
- **MILLER JOAN M** (director) — https://whiteintel.dev/entity/16e4c744-ff71-53ee-9374-55b4bf1850fd
- **DEHN WILLIAM T** (officer) — https://whiteintel.dev/entity/68749cfe-2dce-54f3-8a18-c76cf9dc7e2f
- **EVANS DONALD S** (officerother) — https://whiteintel.dev/entity/05458868-8ee2-5092-ab17-7c8fe7a307aa
- **PARKER ALAN M** (officer) — https://whiteintel.dev/entity/9d008dcd-455e-55b3-b58c-5509a1de049f

### UBO chain (walk to the ultimate owner)

A **82-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **CH2M HILL COMPANIES LTD**. Human view: https://whiteintel.dev/entity/8fc32dbf-e00d-56d3-9385-0e620320e559 · Structured JSON: https://whiteintel.dev/api/public/dossier/8fc32dbf-e00d-56d3-9385-0e620320e559._

_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"._