PQ Corporation
William J. Sichko, Jr. became Vice President, Chief Administrative Officer in 2005. Mr. Sichko served as our Secretary from 2005 to November 2015, and is currently an Assistant Secretary. From 1998 through 2005, Mr. Sichko was Chief Administrative Officer with Peak Investments, LLC. From 1991 through 1998, he held management positions with Harris Chemical Group and IMC Global following IMC Global’s acquisition of Harris Chemical, including serving as Senior Vice President of Human Resources from 1996 to 1998. From 1987 to 1991, Mr. Sichko was a manager with General Chemical.
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PQ Corporation
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PQ Corporation is a leading global provider of specialty catalysts, materials, chemicals, and services that enable environmental improvements, enhance consumer products, and increase personal safety. Their Environmental Catalysts and Services business segment provides products and solutions which help their customers produce vehicles with improved fuel efficiency and cleaner emissions.