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Organizational Structure

Westlake Org Chart

427 Decision Makers Across 17 Departments at 5 Gulf Coast Facilities

427
Decision Makers
17
Departments
5
Facilities
Weekly
Data Refresh

The Westlake org chart maps the full organizational structure of 427 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 427+ 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
424 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
Sr. Director - IS Business SolutionsDirector, Transportation and LogisticsAssociate DirectorDirector Olefins ManufacturingBusiness Director Epoxy Americas
Manager8 contacts
Process Technology Manager North America EpoxyManager Operations Controlling - EpoxyContinuous Improvement ManagerManager of Desktop ServicesManager- Digital Innovation & AI
Senior Role8 contacts
Principal AnalystSenior Business Analyst
Individual Contributor6 contacts
Principal AdminstratorNGL TraderProduct Principal (Olefins)Assistant TreasurerPolyethylene Product Specialist

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 64 Directors and Managers across 17 functional areas. Key roles include Operator, Process Operator, Production Operator, Production Engineer, Production Superintendent.

Seniority Distribution
C-Suite
3
1%
SVP/EVP
1
0%
VP
2
0%
Director
15
4%
Manager
49
11%
Senior Role
279
65%
Individual Contributor
78
18%
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 427+ 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 427 decision makers across 17 departments.

Who handles procurement at Westlake?

Westlake has 1 procurement contacts tracked by ExecGraph across 1 seniority levels. Titles include Sales Supply Analyst. Sign in to view names and contact details.

How is Westlake organized?

Westlake is organized into 17 departments including Procurement, Operations, Maintenance, Engineering, HSE. ExecGraph maps the reporting structure across all functional areas to help vendors identify the right contacts.

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

ExecGraph tracks 427 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?

The VP of Operations at Westlake oversees a team that includes 64 Directors and Managers. ExecGraph maps the full reporting chain from VP down through Director and Manager tiers to help vendors target the right level for their product or service.

Does Westlake have a sustainability or ESG team?

ExecGraph tracks sustainability and ESG contacts at Westlake as part of its org chart coverage. Energy transition, decarbonization, and emissions reporting roles are mapped when available. View the full org chart for current department coverage.

Map the decision chain at Westlake

See who controls budget, who writes specs, and how to reach them. 427 contacts across 17 departments.

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