Investor Relations
Customers come back to Koppers because they know they can depend on us for quality, timeliness and attention to detail.
About our Investor Relations
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![]() | Markus Spiess Vice President, Global Sales and Marketing Markus Spiess was appointed Vice President, Global Sales and Marketing in August 2010. Mr. Spiess was previously Vice President, Global Supply and European Marketing and Sales. |


















