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Identity, professional record and current appointments.

Overview

Professional record at a glance

A concise summary of information supported by the cited public sources. Missing information is treated as unknown, not as a negative finding.

Current roles
11 current organization shown on this profile
Board positions
Not establishedNo board position is currently listed on this profile
Committee roles
Not establishedNo committee role is currently confirmed by the cited sources
Qualifications
Not establishedNo qualification is currently confirmed by the cited sources

Professional narrative

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Alpha has not published a narrative summary because the current public source set is not sufficient.

Sources are shown with the information they support.

Current roles

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Executive appointments

Governance

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Connections

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Ultra Clean Holdings, Inc.

Open Ultra Clean Holdings, Inc. profile →

Chief Business Officer at Ultra Clean Holdings, Inc.

Start not stated → End not stated

current · source reported

Observed: 2026-09-18

Ultra Clean Holdin…Ultra Clean Holdings, Inc.Christopher S. Cook

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Relationship map

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Experience

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Published record

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Source 1 · Sec Def 14aPublic profile sourceSupports Chief Business Officer at Ultra Clean Holdings, Inc. (NASDAQ: UCTT), Executive title.Open source

Basis

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Identifiers

Alpha ID
alpha:person:christopher-s-cook
Record version
public-0

Sources

Sources and published information

Each item links to the public source used to support it. When sources disagree, the item is clearly marked for review.

Executive title · Source reportedExecutive title: Chief Business Officer1 source
Verification
Source reported
Confidence
95%
Last reviewed
Sep 14, 2026
View all sources1 records
  1. https://www.sec.gov/Archives/edgar/data/1275014/000114036126016813/ny20064711x1_def14a.htm

    Sec Def 14a · Tier not stated · Reviewed Sep 14, 2026

    Supports: Chief Business Officer at Ultra Clean Holdings, Inc. (NASDAQ: UCTT) · Executive title