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Patrick H. Hawkins
President & CEO
Patrick H. Hawkins
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David G. Rosenstock
Vice President, Chlor Alkali
Douglas A. Lange
Vice President, Water Treatment Group
Drew M. Grahek
Vice President, Operations
Jeffrey P. Oldenkamp
Chief Financial Officer, Vice President and Treasurer
John R. Sevenich
Vice President, Industrial Group
Richard G. Erstad
Vice President, General Counsel and Secretary
Shirley Rozeboom
Vice President, Health and Nutrition
Theresa R. Moran
Vice President Purchasing, Logistics and Sales Support
Jeff Oldenkamp
Executive Vice President, Chief Financial Officer
Jodi Morris
Manager Total Rewards
Justin Fischer
Human Resources Manager
Matthew Messerschmidt
Human Resources Director
