Mark Siebert

Mark Siebert currently serves as the Chief Commercial Officer at Fortis Solutions Group, a role held since May 2025. Prior to this, Siebert was the Managing Director at Ranpak, leading a $150M paper packaging business. Siebert's extensive experience includes significant positions at Berry Global, Inc., where responsibilities spanned from General Manager of Health and Specialties to President EMEIA, overseeing strategic direction and P&L for regional operations. Additional experience includes leadership roles at Kraton Polymers, The Dow Chemical Company, and a strong foundation in global business development, purchasing, and marketing. Mark Siebert earned a Bachelor of Science in Industrial Engineering from the University of Missouri-Columbia.