Organizational Structure

Westlake Org Chart

425 Decision Makers Across 17 Departments at 5 Gulf Coast Facilities

425
Decision Makers
17
Departments
5
Facilities
Weekly
Data Refresh

The Westlake org chart maps the full organizational structure of 425 verified decision makers and leadership team members across 17 functional departments. ExecGraph tracks role changes, new hires, and departures weekly so vendors can reach the right contact at every level of the hierarchy.

About Westlake

Westlake is a Chemical Manufacturing operator on the Gulf Coast. The company maintains a verified contact base of 425+ decision makers across 17 functional areas including procurement, maintenance, operations, engineering, projects, turnaround, HSE, and sustainability. ExecGraph tracks Westlake across commercial journeys including MRO, turnarounds, and capital projects.

Westlake Executive Team

3 senior executives at Westlake at the C-Suite and SVP/EVP level.

JG
Jean-Marc Gilson
President and CEO
C-SuiteExecutive Leadership
SB
Steven Bender
Executive Vice President & Chief Financial Officer
C-SuiteExecutive Leadership
TC
Tom Clancy
Senior Vice President - Strategy - Performance and Essential Materials
SVP/EVPExecutive Leadership
422 more decision makers
VP, Director, Manager, and specialist contacts across 17 departments

Westlake Leadership by Department

Procurement & Supply Chain

3 contacts

Budget holders who approve purchase orders and manage vendor relationships.

Director1 contact
Supply Chain Director
Senior Role1 contact
Principal Procurement Analyst
Individual Contributor1 contact
Sales Supply Analyst

Maintenance & Reliability

2 contacts

Teams responsible for asset uptime, preventive maintenance, and reliability programs.

Manager2 contacts
Maintenance managerMaintenance Manager

Operations & Manufacturing

28 contacts

Plant operators, shift leads, and production managers who run day-to-day operations.

Director6 contacts
Director - Manufacturing and Enterprise ApplicationsDirector Olefins ManufacturingAssociate DirectorDirector, Transportation and LogisticsSr. Director - IS Business Solutions
Manager8 contacts
Manager of Desktop ServicesBusiness Manager - North America PVC/VCMSenior ManagerProcess Technology Manager North America EpoxyManager- Digital Innovation & AI
Senior Role8 contacts
Principal AnalystSenior Business Analyst
Individual Contributor6 contacts
PrincipalProduct Principal (Olefins)Principal AdminstratorPolyethylene Product SpecialistNGL Trader

Engineering & Instrumentation

2 contacts

Engineers who write specs, evaluate technology, and approve technical solutions.

Director1 contact
Director of Engineering
Senior Role1 contact
Engineer Principal - Process Control

HSE / Safety

1 contacts

Health, safety, and environmental leaders who set site access and compliance standards.

Manager1 contact
Sr. Emergency Response Specialist / Shift Fire Chief

Westlake Management Team & Decision Makers

The Westlake management team includes 6 senior leaders at the VP level and above, supported by 63 Directors and Managers across 17 functional areas. Key roles include Operator, Process Operator, Production Operator, Production Superintendent, Principal Analyst.

Seniority Distribution
C-Suite
3
1%
SVP/EVP
1
0%
VP
2
0%
Director
15
4%
Manager
48
11%
Senior Role
277
65%
Individual Contributor
79
19%
Senior Leadership
3
C-Suite
1
SVP / EVP
2
VP
15
Director

Westlake senior leadership includes 4 executives at the C-Suite and SVP/EVP level, plus 2 VPs across all functions including non-buyer departments visible to subscribers.

View senior leadership directory →

Departments at Westlake

Procurement & Supply Chain
3
contacts
View contacts →
Maintenance & Reliability
2
contacts
View contacts →
Operations & Manufacturing
28
contacts
View contacts →
Engineering & Instrumentation
2
contacts
View contacts →
HSE / Safety
1
contacts
View contacts →
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Related to Westlake

Frequently Asked

Frequently Asked Questions about Westlake Org Chart

What is Westlake?

Westlake is a Chemical Manufacturing operator on the Gulf Coast. The company maintains a verified contact base of 425+ decision makers across 17 functional areas including procurement, maintenance, operations, engineering, projects, turnaround, HSE, and sustainability. ExecGraph tracks Westlake across commercial journeys including MRO, turnarounds, and capital projects.

Who are the executives at Westlake?

Westlake has 6 senior leaders tracked by ExecGraph, including 3 C-Suite executives, 1 SVP/EVP-level leaders, and 2 VPs. In total, ExecGraph maps 425 decision makers across 17 departments.

Who handles procurement at Westlake?

Westlake has 3 contacts grouped in Procurement & Supply Chain coverage. Example titles include Sales Supply Analyst, Supply Chain Director, Principal Procurement Analyst. Department placement does not by itself establish an individual's purchasing or budget authority. Sign in to inspect current role records.

How is Westlake organized?

Westlake is organized into 17 departments including Procurement, Operations, Maintenance, Engineering, HSE. ExecGraph maps department and seniority coverage to help vendors research the relevant functions without inferring unsupported reporting lines.

How many decision makers does Westlake have on the Gulf Coast?

ExecGraph tracks 425 verified decision makers at Westlake across 5 Gulf Coast facilities. Contact data is refreshed weekly to capture role changes and new hires.

Who reports to the VP of Operations at Westlake?

ExecGraph shows 28 operations contacts at Westlake and 63 Director- or Manager-level roles across the wider organization. Those department and seniority labels do not establish a direct reporting relationship to a VP. Sign in to inspect the current role records.

Does Westlake have a sustainability or ESG team?

ExecGraph shows sustainability and ESG-related roles when they are present in the current Westlake dataset. It does not infer a person's authority from a role label that is not supported by separate public evidence.

Map the decision chain at Westlake

Review published department coverage and identify role gaps without assuming person-specific decision authority. 425 contacts across 17 departments.

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