Crown Holdings, Inc. announced that Dr. John Rost has been promoted to VP, global sustainability and regulatory affairs. In this role, he will be responsible for managing all aspects of Crown’s sustainability and product regulatory efforts on a global basis and will report directly to Gerard H. Gifford, EVP and COO. Dr. Rost, who joined the company in 1997 and has taken on roles of increasing responsibility within the Corporate Technologies group, was most recently director, sustainability and r...