Article1 min read Jun 19, 2025Green Bay Packaging Announces Leadership Transition as EVP Bryan Hollenbach Plans RetirementGreen Bay Packaging (GBP) has announced that Bryan Hollenbach, Executive Vice President (EVP), will retire on August 31, 2025. Matt Szymanski, who is currently the Vice President of Mill Operations, will be promoted to EVP and will succeed Hollenbach in this role.