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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.

Find Gelest, Inc. employees' phone numbers or email addresses

Gelest, Inc. Global Highlights

Location
Employees

North America
212

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  • United States Of America
    212

Asia
4

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  • Japan
    3
  • India
    1

Europe
3

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

Gelest, Inc.'s Leadership

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

Gelest, Inc. Employee Metrics

100%
50%
0%
2026
2025
  • Manufacturing
  • Biotechnology
  • Support
  • Supply Chain
  • Accounting
  • Other

Contact profiles from Gelest, Inc.

Name
Title
Contact
Location
Last Update
  • President at Gelest, Inc.
    A. R.
    President
    Mobile Phone
    Oct 16, 2024
  • Owner at Gelest, Inc.
    T. D.
    Owner
    Mobile Phone
    Oct 17, 2024
  • Head Of Research And Instructional Services at Gelest, Inc.
    E. M.
    Head Of Research And Instructional Services
    Mobile Phone
    Oct 22, 2024
  • Vice President Finance at Gelest, Inc.
    J. P.
    Vice President Finance
    Mobile Phone
    Oct 16, 2024
  • Business Line Director at Gelest, Inc.
    J. W.
    Business Line Director
    Mobile Phone
    Jun 29, 2026
  • Executive Director at Gelest, Inc.
    M. R.
    Executive Director
    Mobile Phone
    Oct 23, 2024
  • Marketing Director at Gelest, Inc.
    M. A.
    Marketing Director
    Mobile Phone
    United Kingdom, Kent
    Aug 03, 2024
  • Manager at Gelest, Inc.
    A. F.
    Manager
    Mobile Phone
    Oct 21, 2024
  • Group Leader at Gelest, Inc.
    F. J.
    Group Leader
    Mobile Phone
    Oct 23, 2024
  • General Manager at Gelest, Inc.
    J. R.
    General Manager
    Mobile Phone
    Oct 18, 2024

Frequently Asked Questions

What is Gelest, Inc. known for?

Minus sign iconPlus sign iconGelest, Inc. operates in the Chemical Manufacturing industry. You can contact Gelest, Inc.'s 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?

Minus sign iconPlus sign iconGelest, Inc. employees' email format typically follows the pattern of FLast@gelest.com. 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?

Minus sign iconPlus sign iconGelest, Inc. has approximately 207 employees as of August 2026. These team members are located across 3 continents, including North America, Asia and Europe.

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

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As of August 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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