Enabling Your Technology

Gelest Inc. is recognized world-wide as a leader and innovator in materials science and technology. Gelest manufactures and provides silane, silicone and metal-organic compounds serving advanced technology markets through a customer driven approach.

History and Mission

Gelest, Inc., headquartered in Morrisville, PA, USA, was founded in 1991 to serve the advanced technology applications markets and is recognized worldwide as an innovator, manufacturer and supplier of Organo-Silicon and Metal-Organic materials for commercial production and R&D support.


Barry Arkles

Chairperson, CEO

Dr. Arkles formed Gelest Inc. to develop and manufacture silicon and metal-organic based chemicals and polymers for applications in microelectronics, optoelectronics, medical devices and pharmaceuticals. Prior to the founding of Gelest, Inc., he was a co-founder of Petrarch Systems, Inc. and then Vice-Preseident of Corporate Development for Huls America.  Dr. Arkles received his doctorate from Temple University and has published over 150 technical articles and been awarded over 75 patents.      

Kevin King

Executive VP, Operations

Responsible for site production and management, Kevin has over 35 years of experience in silane and silicone production and manufacturing. Previously he was Production Manager of Petrarch Systems/Huls America Inc.. He is a co-founder of Gelest, Inc. and a graduate of Ursinus College.

Jonathan Goff


Jonathan is responsible for facilitating customer relationships, research initiatives and operational efficiencies.  Jonathan joined Gelest in 2009 and currently manages the Polymer Development, Technical Services, and Quality Control groups, as well as the Silanes & Metal-Organics and Research Engineering groups.   Dr. Goff received his Ph.D. in Macromolecular Science & Engineering from Virginia Tech and has published over 40 technical articles.

Craig Smith

VP & General Manager

Craig is responsible for global sales and has over 25 years of experience in silane & silicone chemistry and business, including roles as chemist, sales manager, and marketing manager with Hüls America and Degussa. He is a graduate of the University of Delaware and an alumnus of the Columbia University School of Business.

William Fry

VP, Finance

Responsible for the finance department as well as IT, inventory control, and our European subsidiaries Livchem Logistics (Germany) and Bimax Chemicals Limited (UK). Bill joined Gelest in 2010. Prior to joining Gelest, Bill spent six years working in public accounting serving a variety of industries, including manufacturing. Bill is a certified public accountant and graduate of West Chester University.

Edward Kimble

VP, Product Management

Ed leads the Product Management team for the company, with a primary focus on product marketing, planning, and forecasting along with developing strategies that drive company profitability. A 20-year veteran of Gelest, Kimble previously served as Applications and Polymer Development Manager as well as Production Chemical Group Supervisor. He is a graduate of Pennsylvania State University.

Our Capabilities

Our Capabilities

Recognized world-wide leader and innovator in materials science and technology.

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The Gelest Technical Library

The Gelest Technical Library

A selected list of Gelest Reports, Publications, and Brochures.

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Calculators & Tools

Calculators & Tools

Resources to help you to select the product that best fits your project.

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Copyright 1991 - 2021 Gelest, Inc.