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

CEO and Chair of McKesson Corporation since 2019, with nearly 30 years of business and healthcare experience at McKesson. Previously served as President and COO, and held various leadership roles across McKesson's businesses. Brings extensive knowledge of company culture, workforce and strategic opportunities.

Sources are shown with the information they support.

Current roles

Appointments & responsibilities

Board appointments

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.

Director

Republic Services

2021-01-01 · current

Confirmed by public sourceView source

Director

McKesson Corporation

Current · start date not disclosed

Confirmed by public sourceView source

Connections

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

McKesson Corporation

Open McKesson Corporation profile →

Director at McKesson Corporation

Start not stated → End not stated

current · source reported

Observed: 2026-09-24

McKesson CorporationMcKesson CorporationRepublic ServicesRepublic ServicesBrian S. Tyler

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.

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 FilingMCK DEF 14A director slateSupports AI and ML experience, Board role, Committee assignments, Executive company, Executive title, Cybersecurity experience, Technology background.Open sourceSource 2 · Sec FilingMCK 10-K executive officersSupports AI and ML experience, Cybersecurity experience, Executive company, Executive title, Technology background.Open sourceSource 3 · Sec FilingRSG DEF 14A director slateSupports Board role, Committee assignments.Open sourceSource 4 · Sec FilingMcKesson Corporation director board sourceSupports Board membership, Board independence.Open sourceSource 5 · Sec FilingRepublic Services, Inc. director board sourceSupports Board membership, Director since, Board independence.Open source

Basis

Identifiers, sources, dates and record limitations.

Identifiers

Alpha ID
alpha:person:brian-s-tyler
Record version
public-0

Published evidence records

10 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. MCK DEF 14A director slate

    sec filing · Source published: Jun 12, 2026 · Retrieved: Jun 12, 2026

    Supports 7 claims
    • AI and ML experience: AI and ML experience: not identified in the cited filing · Claim reviewed: Jun 12, 2026
    • Board role: Board role: Chair · Claim reviewed: Jun 12, 2026
    • Committee assignments: No committee assignment disclosed in the cited filing · Claim reviewed: Jun 12, 2026
    • Cybersecurity experience: Cybersecurity experience: not identified in the cited filing · Claim reviewed: Jun 12, 2026
    • Executive company: Executive at McKesson Corporation · Claim reviewed: Jun 12, 2026
    • Executive title: Executive title: Chief Executive Officer and Chair · Claim reviewed: Jun 12, 2026
    • Technology background: Technology background: not identified in the cited filing · Claim reviewed: Jun 12, 2026

  2. MCK 10-K executive officers

    sec filing · Source published: May 8, 2026 · Retrieved: May 11, 2026

    Supports 5 claims
    • AI and ML experience: AI and ML experience: not identified in the cited filing · Claim reviewed: Jun 12, 2026
    • Cybersecurity experience: Cybersecurity experience: not identified in the cited filing · Claim reviewed: Jun 12, 2026
    • Executive company: Executive at McKesson Corporation · Claim reviewed: Jun 12, 2026
    • Executive title: Executive title: Chief Executive Officer · Claim reviewed: May 11, 2026
    • Technology background: Technology background: not identified in the cited filing · Claim reviewed: Jun 12, 2026

  3. RSG DEF 14A director slate

    sec filing · Source published: Mar 24, 2026 · Retrieved: May 16, 2026

    Supports 2 claims
    • Board role: Board role: Director · Claim reviewed: May 16, 2026
    • Committee assignments: Committee assignments: Finance, Sustainability & Corporate Responsibility, Talent & Compensation · Claim reviewed: May 16, 2026

  4. McKesson Corporation director board source

    sec filing · Source published: Jun 20, 2025 · Retrieved: May 3, 2026

    Supports 2 claims
    • Board independence: Independent director · Claim reviewed: May 3, 2026
    • Board membership: Serves on the board of McKesson Corporation · Claim reviewed: May 3, 2026

  5. Open source

    sec filing · Source published: Jun 20, 2025 · Retrieved: May 3, 2026

    Supports 1 claim
    • Professional Role: Director at McKesson Corporation · Claim reviewed: Jun 12, 2026

  6. Republic Services, Inc. director board source

    sec filing · Source published: Apr 7, 2025 · Retrieved: May 3, 2026

    Supports 3 claims
    • Board independence: Independent director · Claim reviewed: May 3, 2026
    • Board membership: Serves on the board of McKesson Corporation · Claim reviewed: May 3, 2026
    • Board membership: Serves on the board of Republic Services, Inc. · Claim reviewed: May 3, 2026

  7. Open source

    sec filing · Source published: Jan 1, 2021 · Retrieved: May 3, 2026

    Supports 1 claim
    • Professional Role: Director at Republic Services · Claim reviewed: Jun 12, 2026

  8. MCK executive roster source

    sec filing · Source published: Date unavailable · Retrieved: May 3, 2026

    Supports 5 claims
    • AI expertise: AI expertise: not identified in the cited filing · Claim reviewed: May 3, 2026
    • AI governance relevance: AI governance relevance reported from role and filings · Claim reviewed: May 3, 2026
    • Executive company: Executive at McKesson Corporation · Claim reviewed: Jun 12, 2026
    • Executive function: Enterprise Leadership (CEO) · Claim reviewed: May 3, 2026
    • Executive title: Executive title: Chief Executive Officer and a director · Claim reviewed: May 3, 2026

  9. Open source

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

    Supports 1 claim
    • Board membership: Serves on the board of Republic Services, Inc. · Claim reviewed: May 3, 2026

  10. Open source

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

    Supports 1 claim
    • Board membership: Serves on the board of McKesson Corporation · 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
Jun 12, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Jun 12, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 11, 2026

AI expertise · Source reportedAI expertise: not identified in the cited filing1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 3, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

AI governance relevance · Source reportedAI governance relevance reported from role and filings1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 3, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

Board independence · CorroboratedIndependent directorSupported by 2 public records2 sources
Verification
Corroborated
Confidence
95%
Last reviewed
May 3, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

Board membership · CorroboratedServes on the board of McKesson CorporationSupported by 3 public records3 sources
Verification
Corroborated
Confidence
95%
Last reviewed
May 3, 2026
Board membership · CorroboratedServes on the board of Republic Services, Inc.Supported by 3 public records2 sources
Verification
Corroborated
Confidence
95%
Last reviewed
May 3, 2026
Board role · Source reportedBoard role: Chair1 source
Verification
Source reported
Confidence
92%
Last reviewed
Jun 12, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Jun 12, 2026

Board role · Source reportedBoard role: Director1 source
Verification
Source reported
Confidence
92%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

Committee assignments · Source reportedNo committee assignment disclosed in the cited filing1 source
Verification
Source reported
Confidence
88%
Last reviewed
Jun 12, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Jun 12, 2026

Committee assignments · Source reportedCommittee assignments: Finance, Sustainability & Corporate Responsibility, Talent & Compensation1 source
Verification
Source reported
Confidence
88%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

Cybersecurity experience · CorroboratedCybersecurity experience: not identified in the cited filingSupported by 2 public records2 sources
Verification
Corroborated
Confidence
72%
Last reviewed
Jun 12, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 11, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Jun 12, 2026

Executive company · CorroboratedExecutive at McKesson CorporationSupported by 3 public records3 sources
Verification
Corroborated
Confidence
94%
Last reviewed
Jun 12, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Jun 12, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 11, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

Executive function · Source reportedEnterprise Leadership (CEO)1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 3, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

Executive title · Source reportedExecutive title: Chief Executive Officer1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 11, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 11, 2026

Executive title · Source reportedExecutive title: Chief Executive Officer and a director1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 3, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

Executive title · Source reportedExecutive title: Chief Executive Officer and Chair1 source
Verification
Source reported
Confidence
85%
Last reviewed
Jun 12, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Jun 12, 2026

Technology background · CorroboratedTechnology background: not identified in the cited filingSupported by 2 public records2 sources
Verification
Corroborated
Confidence
72%
Last reviewed
Jun 12, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 11, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Jun 12, 2026

View all sources10 records
  1. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed Jun 12, 2026

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

  2. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 11, 2026

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

  3. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

    Supports: Board role · Committee assignments

  4. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

    Supports: Board membership · Board independence

  5. https://www.sec.gov/Archives/edgar/data/927653/000092765325000061/mck-20250620.htm

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

    Supports: Director at McKesson Corporation (NYSE: MCK)

  6. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

    Supports: Board membership · Director since · Board independence

  7. https://www.sec.gov/Archives/edgar/data/1060391/000119312525074643/d899540ddef14a.htm

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

    Supports: Director at Republic Services (NYSE: RSG)

  8. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

    Supports: AI expertise · AI governance relevance · Executive company · Executive function · Executive title

  9. https://www.sec.gov/Archives/edgar/data/1060391/000119312525074643/d899540ddef14a.htm

    Public Source · Tier not stated · Reviewed Not stated

    Supports: Board membership

  10. https://www.sec.gov/Archives/edgar/data/927653/000092765325000061/mck-20250620.htm

    Public Source · Tier not stated · Reviewed Not stated

    Supports: Board membership