Profile

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
22 current organizations shown on this profile
Board positions
22 supported by public sources, 0 supplied by the profile owner
Committee roles
3Roles supported by the sources cited on this profile
Qualifications
Not establishedNo qualification is currently confirmed by the cited sources

Professional narrative

About

Senior Vice President and CFO of Micron Technology from 2015 to 2018. Over 35 years of experience in technology industry in operations, technology and finance roles including 10 years as public company CFO. Previously served as CFO of Riverbed Technology and Lam Research Corporation.

Sources are shown with the information they support.

Current roles

Appointments & responsibilities

Board appointments

Independent Director

Teradyne (NASDAQ: TER)

Jan 1, 2022 – Present

Independence: Independent

Source effective: 2026-03-27 · Observed: 2026-05-03T01:24:00.891+00:00

confirmedView source

Governance

Board appointments, committee responsibilities and disclosed relationships.

Board and advisory record

Board service

Sources are shown with each role, education record, or credential.

Independent Director

Teradyne

2022-01-01 · current

Confirmed by public sourceView source

Director

AVNET INC

Current · start date not disclosed

Confirmed by public sourceView source

Connections

Explore the roles, education and affiliations published in this record.

AVNET INC

Open AVNET INC profile →

Director at AVNET INC

Start not stated → End not stated

current · source reported

Observed: 2026-09-21

AVNET INCAVNET INCTeradyneTeradyneErnest E. Maddock

Dashed lines mark past roles. Select a connection to see its dates and sources.

Relationship map

Connected through the public record

Direct relationships from verified facts and published résumé records. Private connections are excluded.

  • AVNET INC

    Director

    Verified public fact

  • Teradyne

    Independent Director

    Verified public fact

Direct public links only

Only published affiliations are shown here. Private relationships require authorized access.

Experience

Career history, education, credentials and public contributions.

Published record

Featured coverage

Selected publications and public sources used to establish this profile. Inclusion records provenance; it is not an endorsement.

Source 1 · Sec Form OwnershipPublic profile sourceSupports Director at AVNET INC (NASDAQ: AVT).Open sourceSource 2 · Sec FilingTER DEF 14A director slateSupports AI and ML experience, Board role, Committee assignments, Cybersecurity experience, Technology background.Open sourceSource 3 · Sec FilingOUST 10-K executive officersSupports AI and ML experience, Cybersecurity experience, Executive company, Executive title, Technology background.Open sourceSource 4 · Sec FilingAVT DEF 14A director slateSupports Board role, Committee assignments.Open sourceSource 5 · Sec FilingTeradyne, Inc. director board sourceSupports Board membership, Board independence.Open source

Basis

Identifiers, sources, dates and record limitations.

Identifiers

Alpha ID
alpha:person:ernest-e-maddock
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.

AI and ML experience · CorroboratedAI and ML experience: not identified in the cited filingSupported by 2 public records2 sources
Verification
Corroborated
Confidence
72%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 5, 2026

Board independence · Source reportedIndependent director1 source
Verification
Source reported
Confidence
95%
Last reviewed
May 3, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

Board membership · Source reportedServes on the board of AVNET INC1 source
Verification
Source reported
Confidence
Not stated
Last reviewed
Not stated
Board membership · CorroboratedServes on the board of Teradyne, Inc.Supported by 2 public records2 sources
Verification
Corroborated
Confidence
95%
Last reviewed
May 3, 2026
Board role · CorroboratedBoard role: DirectorSupported by 2 public records2 sources
Verification
Corroborated
Confidence
92%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 14, 2026

Committee assignments · Source reportedCommittee assignments: Audit1 source
Verification
Source reported
Confidence
88%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

Committee assignments · Source reportedCommittee assignments: Audit, Executive, Technology1 source
Verification
Source reported
Confidence
88%
Last reviewed
May 14, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 14, 2026

Cybersecurity experience · CorroboratedCybersecurity experience: not identified in the cited filingSupported by 2 public records2 sources
Verification
Corroborated
Confidence
72%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 5, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

Executive company · Source reportedExecutive at Ouster, Inc.1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 5, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 5, 2026

Executive title · Source reportedExecutive title: Director1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 5, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 5, 2026

Technology background · CorroboratedTechnology background reported in filingsSupported by 2 public records2 sources
Verification
Corroborated
Confidence
72%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 5, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

View all sources8 records
  1. https://www.sec.gov/Archives/edgar/data/8858/000000885826000058/form4.xml

    Sec Form Ownership · Tier not stated · Reviewed Aug 5, 2026

    Supports: Director at AVNET INC (NASDAQ: AVT)

  2. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

    Supports: AI and ML experience · Board role · Committee assignments · Cybersecurity experience · Technology background

  3. https://www.sec.gov/Archives/edgar/data/97210/000119312526127504/ter-20260325.htm

    Sec Proxy · Tier not stated · Reviewed May 3, 2026

    Supports: Independent Director at Teradyne (NASDAQ: TER)

  4. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 5, 2026

    Supports: AI and ML experience · Cybersecurity experience · Executive company · Executive title · Technology background

  5. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 14, 2026

    Supports: Board role · Committee assignments

  6. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

    Supports: Board membership · Board independence

  7. https://www.sec.gov/Archives/edgar/data/97210/000119312526127504/ter-20260325.htm

    Public Source · Tier not stated · Reviewed Not stated

    Supports: Board membership

  8. https://www.sec.gov/Archives/edgar/data/8858/000000885826000058/form4.xml

    Public Source · Tier not stated · Reviewed Not stated

    Supports: Board membership