Westlake Management
Management criteria checks 3/4
Westlake's CEO is Jean-Marc Gilson, appointed in Jul 2024, has a tenure of 1.92 years. total yearly compensation is $6.42M, comprised of 20.1% salary and 79.9% bonuses, including company stock and options. directly owns 0.007% of the company’s shares, worth €649.77K. The average tenure of the management team and the board of directors is 2 years and 8.3 years respectively.
Key information
Jean-Marc Gilson
Chief executive officer
US$6.4m
Total compensation
| CEO salary percentage | 20.06% |
| CEO tenure | 1.9yrs |
| CEO ownership | 0.007% |
| Management average tenure | 2yrs |
| Board average tenure | 8.3yrs |
Recent management updates
Recent updates
CEO Compensation Analysis
| Date | Total Compensation | Salary | Company Earnings |
|---|---|---|---|
| Mar 31 2026 | n/a | n/a | -US$2b |
| Dec 31 2025 | US$6m | US$1m | -US$2b |
| Sep 30 2025 | n/a | n/a | -US$952m |
| Jun 30 2025 | n/a | n/a | -US$67m |
| Mar 31 2025 | n/a | n/a | US$386m |
| Dec 31 2024 | US$4m | US$529k | US$599m |
Compensation vs Market: Jean-Marc's total compensation ($USD6.42M) is about average for companies of similar size in the German market ($USD5.53M).
Compensation vs Earnings: Jean-Marc's compensation has increased whilst the company is unprofitable.
CEO
Jean-Marc Gilson (63 yo)
Mr. Jean-Marc Gilson is Independent Director of Corteva, Inc. from April 28, 2026. Mr. Gilson He is President, CEO & Director of Westlake Chemical Partners LP from July 15, 2024. Mr. Jean-Marc is President...
Leadership Team
| Name | Position | Tenure | Compensation | Ownership |
|---|---|---|---|---|
| Executive Chairman | 23yrs | US$6.66m | 0.90% € 86.3m | |
| Senior Chairman | 23yrs | US$5.59m | 0.11% € 10.3m | |
| President | 1.9yrs | US$6.42m | 0.0068% € 649.8k | |
| Executive VP & CFO | 19.3yrs | US$3.91m | 0.028% € 2.7m | |
| VP & Chief Accounting Officer | 2.2yrs | no data | 0.0040% € 382.2k | |
| Executive Vice President of Legal & External Affairs | 12.7yrs | US$3.77m | 0.063% € 6.0m | |
| Senior VP of Housing & Infrastructure Products Segment Head | 1.2yrs | no data | no data | |
| Senior VP of Performance & Essential Materials Segment Head | less than a year | no data | no data |
Experienced Management: UEO's management team is considered experienced (2 years average tenure).
Board Members
| Name | Position | Tenure | Compensation | Ownership |
|---|---|---|---|---|
| Executive Chairman | 23yrs | US$6.66m | 0.90% € 86.3m | |
| Senior Chairman | 23yrs | US$5.59m | 0.11% € 10.3m | |
| President | less than a year | US$6.42m | 0.0068% € 649.8k | |
| Independent Director | 8.1yrs | US$327.23k | 0.0075% € 720.5k | |
| Independent Director | 6.1yrs | US$300.98k | 0.0091% € 869.5k | |
| Independent Director | 13.1yrs | US$320.98k | 0.017% € 1.6m | |
| Independent Director | 13.1yrs | US$320.98k | 0.017% € 1.6m | |
| Independent Director | 8.4yrs | US$320.98k | 0.010% € 951.7k | |
| Director | 8.4yrs | US$300.98k | 0.022% € 2.1m | |
| Director | 7.8yrs | no data | 0.010% € 962.2k | |
| Director | 3.1yrs | US$300.98k | 0.020% € 1.9m | |
| Director | 3.1yrs | US$300.98k | 0.0028% € 266.6k |
Experienced Board: UEO's board of directors are considered experienced (8.3 years average tenure).
Company Analysis and Financial Data Status
| Data | Last Updated (UTC time) |
|---|---|
| Company Analysis | 2026/06/10 11:26 |
| End of Day Share Price | 2026/06/09 00:00 |
| Earnings | 2026/03/31 |
| Annual Earnings | 2025/12/31 |
Data Sources
The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.
| Package | Data | Timeframe | Example US Source * |
|---|---|---|---|
| Company Financials | 10 years |
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| Analyst Consensus Estimates | +3 years |
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| Market Prices | 30 years |
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| Ownership | 10 years |
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| Management | 10 years |
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| Key Developments | 10 years |
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* Example for US securities, for non-US equivalent regulatory forms and sources are used.
Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.
Analysis Model and Snowflake
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Industry and Sector Metrics
Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.
Analyst Sources
Westlake Corporation is covered by 25 analysts. 13 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.
| Analyst | Institution |
|---|---|
| null null | Alembic Global Advisors |
| Michael Leithead | Barclays |
| Jonas Oxgaard | Bernstein |