What departments does Gelest, Inc. have?

Gelest, Inc. has employees across 13 departments including Entrepreneurship, Research, Finance, Business, Marketing.

What is the largest department at Gelest, Inc.?

The largest department at Gelest, Inc. is Research with 3 employees.

Where are Gelest, Inc. employees located globally?

Gelest, Inc. has employees across 3 continents and 5 countries including Japan, Italy, Germany, United Kingdom Of Great Britain And Northern Ireland, United States Of America.

How has Gelest, Inc.'s team size changed over time?

Gelest, Inc.'s team has decreased from approximately 140 to 129 employees based on available data.

Gelest, Inc. Employee Directory

Chemical ManufacturingPennsylvania, United States201-500 Employees

Gelest, Inc. is a chemical manufacturer based in Morrisville, Pennsylvania, founded in 1991 to serve advanced technology applications and to support commercial production and research and development with organosilicon and metal-organic materials. The company has grown its materials catalog from several hundred to thousands through collaboration with customers and a technical staff experienced in silanes, silicones, and metal-organics. Gelest focuses on expanding its Group 4A and 4B analogs and offers a broad global portfolio of silane, silicone, and metal-organic materials as part of its Mitsubishi Chemical Group alignment. Its customers are entities in high-technology sectors seeking materials for manufacturing and R&D. A notable recent development is a research agreement with IBM to test Gelest precursor materials for dry resist EUV lithography, illustrating ongoing collaboration with leading technology firms.

Gelest, Inc. Global Highlights

North America
196

United States Of America
196

Europe
5

Germany
2
United Kingdom Of Great Britain And Northern Ireland
2
Italy
1

Asia
2

Japan
2

Gelest, Inc.'s Leadership

J. P.
Vice President Finance
Mobile Phone
Email
A. R.
President
Mobile Phone
Email
E. M.
Head Of Research And Instructional Services
Mobile Phone
Email
T. D.
Owner
Mobile Phone
Email
J. W.
Business Line Director
Mobile Phone
Email
M. R.
Executive Director
Mobile Phone
Email
M. A.
Marketing Director
Mobile Phone
Email
A. F.
Manager
Mobile Phone
Email

Gelest, Inc. Employee Metrics

100%

50%

0%

2026

2025

Manufacturing
Biotechnology
Support
Supply Chain
Accounting
Other

Contact profiles from Gelest, Inc.

Name

Title

Contact Info

Location

Last Update

A. R.
President
Mobile Phone
Email
Oct 16, 2024
T. D.
Owner
Mobile Phone
Email
Oct 17, 2024
E. M.
Head Of Research And Instructional Services
Mobile Phone
Email
Oct 22, 2024
J. P.
Vice President Finance
Mobile Phone
Email
Oct 16, 2024
J. W.
Business Line Director
Mobile Phone
Email
Jun 29, 2026
M. R.
Executive Director
Mobile Phone
Email
Oct 23, 2024
M. A.
Marketing Director
Mobile Phone
Email
United KingdomKent
Aug 03, 2024
A. F.
Manager
Mobile Phone
Email
Oct 21, 2024
F. J.
Group Leader
Mobile Phone
Email
Oct 23, 2024
J. R.
General Manager
Mobile Phone
Email
Oct 18, 2024

Frequently Asked Questions

What is Gelest, Inc. known for?

Gelest, Inc. operates in the Chemical Manufacturing industry; you can contact the main corporate office by phone at

+1-215-547-****

. Explore Gelest, Inc.'s company overview page for more information.

What is Gelest, Inc.'s most common email format?

Gelest, Inc. employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Gelest, Inc. email formats with LeadIQ.

How many employees does Gelest, Inc. have currently?

Gelest, Inc. has approximately 207 employees as of July 2026. These team members are located across 3 continents, including North AmericaEuropeAsia.

Who are Gelest, Inc.'s key employees and leadership?

As of July 2026, Gelest, Inc.'s key employees include:

Vice President Finance: J. P.
President: A. R.
Head Of Research And Instructional Services: E. M.
Owner: T. D.
Business Line Director: J. W.

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Gelest, Inc. Employee Directory

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