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John Ziegler, Jr. has had an extensive career in various leadership roles within the field of human resources, marketing, and administration. With experience at Arch Resources, Inc., Arch Coal Sales Company, Inc., and Arch Coal, Inc., John has demonstrated expertise in overseeing functions such as human resources, sales, marketing, and internal audit. John has also worked at bioMerieux and Ernst & Young, bringing a well-rounded background in financial and managerial roles. John holds a BSBA in Accounting from Saint Louis University.