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
11 current organization shown on this profile
Board positions
11 supported by public sources, 0 supplied by the profile owner
Committee roles
1Roles supported by the sources cited on this profile
Qualifications
Not establishedNo qualification is currently confirmed by the cited sources

Professional narrative

About

Madeline S. Bell serves as President and CEO of CHOP, one of the nation's top-ranked children's hospitals with annual revenue of $4.7 billion and nearly 30,000 employees. Under her leadership, CHOP was ranked #1 on the Forbes List of America's Best Large Employers in 2022. Her role includes facilitating strategic partnerships, maintaining the hospital's position as a premier nonprofit organization and overseeing complex health and safety matters.

Sources are shown with the information they support.

Current roles

Appointments & responsibilities

Board appointments

Independent Director

Comcast (NYSE: CCZ)

Jan 1, 2016 – Present

Independence: Independent

Source effective: 2026-04-24 · Observed: 2026-04-24T20:10:04.261+00:00

confirmedView source

Governance

Board appointments, committee responsibilities and disclosed relationships.

Committee appointments across companies

Structured records are unavailable. This does not establish that no records exist.

Board and advisory record

Board service

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

Independent Director

Comcast

2016-01-01 · current

Confirmed by public sourceView source

Connections

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

Comcast

Open Comcast profile →

Independent Director at Comcast

2016-01-01 → End not stated

current · source reported

Observed: 2026-09-24

ComcastComcastMadeline S. Bell

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.

  • Comcast

    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 FilingGH DEF 14A executive officersSupports AI and ML experience, Cybersecurity experience, Executive company, Executive title, Technology background.Open sourceSource 2 · Sec FilingComcast director board sourceSupports Board membership, Committee assignments, Director since, Board independence.Open sourceSource 3 · Sec FilingSTLD 10-K executive officersSupports Executive company, Executive title.Open sourceSource 4 · Sec FilingCMCSA DEF 14A director slateSupports AI and ML experience, Board role, Committee assignments, Executive company, Executive title, Cybersecurity experience, Technology background.Open source

Basis

Identifiers, sources, dates and record limitations.

Identifiers

Alpha ID
alpha:person:madeline-s-bell
Record version
public-0

Published evidence records

6 evidence records, matching Agent View. Records may refer to different locations or observations in the same document. This count is not a count of independent corroborating sources.

  1. GH DEF 14A executive officers

    sec filing · Source published: Apr 28, 2026 · Retrieved: May 15, 2026

    Supports 5 claims
    • AI and ML experience: AI and ML experience: not identified in the cited filing · Claim reviewed: May 15, 2026
    • Cybersecurity experience: Cybersecurity experience: not identified in the cited filing · Claim reviewed: May 15, 2026
    • Executive company: Executive at Guardant Health Inc · Claim reviewed: May 15, 2026
    • Executive title: Executive title: Chief Financial Officer · Claim reviewed: May 15, 2026
    • Technology background: Technology background: not identified in the cited filing · Claim reviewed: May 15, 2026

  2. Comcast director board source

    sec filing · Source published: Apr 24, 2026 · Retrieved: May 3, 2026

    Supports 3 claims
    • Board independence: Independent director · Claim reviewed: May 3, 2026
    • Board membership: Serves on the board of Comcast · Claim reviewed: May 3, 2026
    • Committee assignments: No committee assignment disclosed in the cited filing · Claim reviewed: May 3, 2026

  3. Open source

    sec proxy · Source published: Apr 24, 2026 · Retrieved: Apr 24, 2026

    Supports 1 claim
    • Professional Role: Independent Director at Comcast · Claim reviewed: May 15, 2026

  4. STLD 10-K executive officers

    sec filing · Source published: Feb 27, 2026 · Retrieved: May 14, 2026

    Supports 2 claims
    • Executive company: Executive at Steel Dynamics, Inc. · Claim reviewed: May 14, 2026
    • Executive title: Executive title: Vice President, Metals Recycling · Claim reviewed: May 14, 2026

  5. CMCSA DEF 14A director slate

    sec filing · Source published: Apr 25, 2025 · Retrieved: May 15, 2026

    Supports 7 claims
    • AI and ML experience: AI and ML experience: not identified in the cited filing · Claim reviewed: May 15, 2026
    • Board role: Board role: Director · Claim reviewed: May 15, 2026
    • Committee assignments: Committee assignments: Governance and Corporate Responsibility · Claim reviewed: May 15, 2026
    • Cybersecurity experience: Cybersecurity experience: not identified in the cited filing · Claim reviewed: May 15, 2026
    • Executive company: Executive at The Children's Hospital of Philadelphia · Claim reviewed: May 15, 2026
    • Executive title: Executive title: President and Chief Executive Officer · Claim reviewed: May 15, 2026
    • Technology background: Technology background: not identified in the cited filing · Claim reviewed: May 15, 2026

  6. Open source

    public source · Source published: Date unavailable · Retrieved: Date unavailable

    Supports 1 claim
    • Board membership: Serves on the board of Comcast · Claim reviewed: May 3, 2026

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 15, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 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 · CorroboratedServes on the board of ComcastSupported by 3 public records2 sources
Verification
Corroborated
Confidence
95%
Last reviewed
May 3, 2026
Board role · Source reportedBoard role: Director1 source
Verification
Source reported
Confidence
92%
Last reviewed
May 15, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 2026

Committee assignments · Source reportedNo committee assignment disclosed in the cited filing1 source
Verification
Source reported
Confidence
95%
Last reviewed
May 3, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

Committee assignments · Source reportedCommittee assignments: Governance and Corporate Responsibility1 source
Verification
Source reported
Confidence
88%
Last reviewed
May 15, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 2026

Cybersecurity experience · CorroboratedCybersecurity experience: not identified in the cited filingSupported by 2 public records2 sources
Verification
Corroborated
Confidence
72%
Last reviewed
May 15, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 2026

Executive company · Source reportedExecutive at The Children's Hospital of Philadelphia1 source
Verification
Source reported
Confidence
85%
Last reviewed
May 15, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 2026

Executive company · Source reportedExecutive at Guardant Health Inc1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 15, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 2026

Executive company · Source reportedExecutive at Steel Dynamics, Inc.1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 14, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 14, 2026

Executive title · Source reportedExecutive title: Chief Financial Officer1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 15, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 2026

Executive title · Source reportedExecutive title: President and Chief Executive Officer1 source
Verification
Source reported
Confidence
85%
Last reviewed
May 15, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 2026

Executive title · Source reportedExecutive title: Vice President, Metals Recycling1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 14, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 14, 2026

Technology background · CorroboratedTechnology background: not identified in the cited filingSupported by 2 public records2 sources
Verification
Corroborated
Confidence
72%
Last reviewed
May 15, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 2026

View all sources6 records
  1. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 2026

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

  2. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

    Supports: Board membership · Committee assignments · Director since · Board independence

  3. https://www.sec.gov/Archives/edgar/data/1166691/000119312526177138/cmcsa-20260424.htm

    Sec Proxy · Tier not stated · Reviewed Apr 24, 2026

    Supports: Independent Director at Comcast (NYSE: CCZ)

  4. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 14, 2026

    Supports: Executive company · Executive title

  5. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 2026

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

  6. https://www.sec.gov/Archives/edgar/data/1166691/000119312526177138/cmcsa-20260424.htm

    Public Source · Tier not stated · Reviewed Not stated

    Supports: Board membership