ExecGraph / Companies / Westlake / Org Chart
Organizational Structure

Westlake Org Chart

49 Decision Makers Across 13 Departments at 2 Gulf Coast Facilities

49
Decision Makers
13
Departments
2
Facilities
Weekly
Data Refresh

The Westlake org chart maps the full organizational structure of 49 verified decision makers and leadership team members across 13 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 with operations across Westlake Chemical Houston HQ. The company maintains a verified contact base of 49+ decision makers across 13 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

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

JG
Jean-Marc Gilson
President and CEO
C-SuiteExecutive Leadership
TC
Tom Clancy
Senior Vice President - Strategy - Performance and Essential Materials
SVP/EVPExecutive Leadership
47 more decision makers
VP, Director, Manager, and specialist contacts across 13 departments
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Westlake Leadership by Department

Procurement & Supply Chain

2 contacts

Budget holders who approve purchase orders and manage vendor relationships.

Director1 contact
Supply Chain Director
Senior Role1 contact
Principal Procurement Analyst

Maintenance & Reliability

2 contacts

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

Manager2 contacts
Maintenance managerMaintenance Manager

Operations & Manufacturing

19 contacts

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

Director4 contacts
Director, Transportation and LogisticsSr. Director - IS Business SolutionsDirector - Manufacturing and Enterprise ApplicationsAssociate Director
Manager6 contacts
Manager Operations Controlling - EpoxyManager- Digital Innovation & AIProcess Technology Manager North America EpoxySenior ManagerBusiness Manager - North America PVC/VCM
Senior Role6 contacts
Principal AnalystSenior Business Analyst
Individual Contributor3 contacts
Product Principal, NGL FeedstocksProduct Principal (Olefins)Principal Adminstrator

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

Westlake Management Team & Decision Makers

The Westlake management team includes 4 senior leaders at the VP level and above, supported by 23 Directors and Managers across 13 functional areas. Key roles include Principal Analyst, Principal Data Scientist, Product Principal, NGL Feedstocks, Manager, Cyber Security, Director, Transportation and Logistics.

Seniority Distribution
C-Suite
1
2%
SVP/EVP
1
2%
VP
2
4%
Director
9
18%
Manager
14
29%
Senior Role
14
29%
Individual Contributor
8
16%
Senior Leadership
1
C-Suite
1
SVP / EVP
2
VP
9
Director

Westlake senior leadership includes 2 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
2
contacts
View contacts →
Maintenance & Reliability
2
contacts
View contacts →
Operations & Manufacturing
19
contacts
View contacts →
Engineering & Instrumentation
2
contacts
View contacts →

Facilities Where Westlake Operates

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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 with operations across Westlake Chemical Houston HQ. The company maintains a verified contact base of 49+ decision makers across 13 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 4 senior leaders tracked by ExecGraph, including 1 C-Suite executives, 1 SVP/EVP-level leaders, and 2 VPs. In total, ExecGraph maps 49 decision makers across 13 departments.

Who handles procurement at Westlake?

ExecGraph does not currently track a dedicated procurement department at Westlake. Procurement responsibilities may fall under operations or supply chain. View the full org chart for department-level detail.

How is Westlake organized?

Westlake is organized into 13 departments including Operations, Maintenance, Engineering, Executive Leadership, Supply Chain. 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 49 verified decision makers at Westlake across 2 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 23 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. 49 contacts across 13 departments.

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