About Us

Who We Are

About Shodex™ brand LC columns: Shodex™ brand LC columns have been manufactured by Showa Denko K.K. in Japan since 1973. With over 1000 different columns covering all separation modes, we are confident that we can provide the perfect column for your analytical needs. Shodex™ is best known for innovative polymer-based columns offering size-exclusion chromatography, HILIC, and sugar analysis columns.

About Resonac America, Inc.: We are a 100% subsidiary of Showa Denko K.K. which is headquartered in Tokyo, Japan. We provide sales and technical services for a wide variety of products produced by the Showa Denko Group.

About Resonac Corporation: Formed from the merger of Showa Denko K.K. and Hitachi Chemical Corporation, Resonac manufactures chemical products and industrial materials. Resonac’s products serve a wide array of fields ranging from heavy industry to the electronic and computer industries. The company is divided in five business sectors: petrochemicals, aluminum, electronics, chemicals, and inorganic materials. Resonac has more than 200 subsidiaries and affiliates around the world.

A Few Words About

Our Team

We are a small, dedicated team of science professionals. Our goal is to meet our customers technical needs first. We believe Showa Denko offers the highest quality LC products.

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Dr. Ron Benson


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Dr. Tanya Napolitano

Technical Manager

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Marlon Rettis

Manager, Americas

Alex Schrum

Manager, North America

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Kayo Kendall

Customer Service Specialist

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Hope Au

Customer Service Assistant

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