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
Not establishedNo committee role is currently confirmed by the cited sources
Qualifications
Not establishedNo qualification is currently confirmed by the cited sources

Professional narrative

About

Chemical engineering background with leadership roles at Mitsubishi Chemical Group, Roquette Frères, NuSil Technology, Dow Corning, and Avantor. M.S. in Chemical Engineering and M.B.A. from IIMB.

Sources are shown with the information they support.

Current roles

Appointments & responsibilities

Board appointments

Governance

Board appointments, committee responsibilities and disclosed relationships.

Board and advisory record

Board service

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

Director

WESTLAKE CORP

2026-01-01 · current

Confirmed by public sourceView source

Director

Corteva

Current · start date not disclosed

Confirmed by public sourceView source

Connections

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

Corteva

Open Corteva profile →

Director at Corteva

Start not stated → End not stated

current · source reported

Observed: 2026-09-21

CortevaCortevaWESTLAKE CORPWESTLAKE CORPJean-Marc Gilson

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 ProxyPublic profile sourceSupports Director at WESTLAKE CORP (NYSE: WLK).Open sourceSource 2 · Sec FilingCTVA DEF 14A director slateSupports AI and ML experience, Board role, Committee assignments, Executive company, Executive title, Cybersecurity experience, Technology background.Open sourceSource 3 · Sec FilingWLKP 10-K executive officersSupports AI and ML experience, Cybersecurity experience, Executive company, Executive title, Other Company Role, Technology background.Open source

Basis

Identifiers, sources, dates and record limitations.

Identifiers

Alpha ID
alpha:person:jean-marc-gilson
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 15, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 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 Corteva, Inc.Supported by 2 public records2 sources
Verification
Corroborated
Confidence
95%
Last reviewed
May 3, 2026
Board membership · Source reportedServes on the board of WESTLAKE CORP1 source
Verification
Source reported
Confidence
Not stated
Last reviewed
Not stated
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
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 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 2026

  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

Executive company · Source reportedExecutive at Westlake Corporation1 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 Westlake Chemical Partners LP1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

Executive title · Source reportedExecutive title: President & 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: President, Chief Executive Officer and Director1 source
Verification
Source reported
Confidence
94%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

Other Company Role · Source reportedJean-Marc Gilson is also linked to Westlake as President and Chief Executive Officer.1 source
Verification
Source reported
Confidence
70%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

Technology background · Under reviewTechnology background: not identified in the cited filing1 source
Verification
Under review
Confidence
72%
Last reviewed
May 15, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 15, 2026

Technology background · Under reviewTechnology background reported in filings1 source
Verification
Under review
Confidence
72%
Last reviewed
May 16, 2026
  • SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

View all sources7 records
  1. https://www.sec.gov/Archives/edgar/data/1262823/000119312526138974/d49581ddef14a.htm

    Sec Proxy · Tier not stated · Reviewed Jul 12, 2026

    Supports: Director at WESTLAKE CORP (NYSE: WLK)

  2. 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

  3. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 3, 2026

    Supports: Board membership · Board independence

  4. https://www.sec.gov/Archives/edgar/data/1755672/000119312526116069/ctva-20260319.htm

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

    Supports: Director at Corteva (NYSE: CTVA)

  5. SEC EDGAR

    Sec Filing · Tier 3 · Reviewed May 16, 2026

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

  6. https://www.sec.gov/Archives/edgar/data/1262823/000119312526138974/d49581ddef14a.htm

    Public Source · Tier not stated · Reviewed Not stated

    Supports: Board membership

  7. https://www.sec.gov/Archives/edgar/data/1755672/000119312526116069/ctva-20260319.htm

    Public Source · Tier not stated · Reviewed Not stated

    Supports: Board membership