Ole Rosgaard serves as Greif’s President and CEO.

Since joining Greif in 2015, he has served as Vice President and Division President of Greif’s Rigid Industrial Packaging - North America business unit. He also served as Senior Vice President and Group President of Global Industrial Packaging and was responsible for all Rigid, Flexible, and Accessory packaging operations worldwide. From 2016 to 2019, Ole led the transformation of the company’s Sustainability program bringing it into an industry-leading position. Most recently, he was Greif’s COO.

Before joining Greif, Ole was Group Managing Director for one of the largest global roofing manufacturers. Prior to that, he served as Managing Director in one of the largest international window company groups.

In addition to his leadership at Greif, he has extensive experience in leading Family- and Private Equity-owned manufacturing businesses and has lived in five countries and worked across five continents. Ole, a lifelong learner, has attended numerous executive programs at Harvard Business School and other leading institutions in Europe. Ole sits on the board of United Way of Delaware County, Ohio, with “the focus on helping our children and youth to achieve their potential.”

Gary Martz is Greif’s Executive Vice President, General Counsel and Secretary and joined the company in 2002, as its first in-house attorney. He is responsible for all aspects of Greif’s legal affairs worldwide, including corporate governance and compliance matters, mergers and acquisitions, joint ventures, litigation, patents, and trademarks. He is also responsible for Greif Global Real Estate Services. Gary was formerly President of the Land Management business segment and served as interim chief administrative officer for Finance and chief human resources officer.  Prior to joining Greif, Gary was a partner with the law firm of Baker & Hostetler LLP in Cleveland, Ohio.

Gary is a member of the One Columbus Leadership Circle, serves on the National Council for the Moritz College of Law and is a trustee of the Dawes Arboretum.

Gary received his Juris Doctor degree from The Ohio State University Michael E. Moritz College of Law and earned a bachelor’s degree from the University of Toledo.

Tina Schoner has served as Chief Supply Chain Officer for Greif Inc. since January 2022. In this role, Tina has primary responsibility for the development and execution of global supply chain strategies for direct and indirect materials & services spend. Tina leads supply chain operational excellence in the areas of purchasing, materials planning, transportation & logistics, supplier performance and strategic sourcing.

Prior to her current role, Tina was the SVP & Chief Procurement Officer for Oshkosh Corporation, a manufacturer of specialty vehicles and worksite access equipment with brands including, McNeilus, Pierce, JLG and Oshkosh Defense. Prior to that, Tina was the Executive Director, Global Supply Chain Operations for United Technologies Corporation (Raytheon Technologies), where she was responsible for the strategy development and execution of the $25B supply chain supporting four divisions within the commercial building and aerospace markets including Pratt & Whitney, Otis, Carrier and United Technologies Aerospace Systems. Additionally, Tina’s more than 35 years of supply chain experience included positions of increasing responsibility at Rockwell Collins, Inc., Penford Products (Ingredion) and ConAgra. Tina also served active duty in the United States Marine Corps.

Tina believes in the mission of elevating people by eliminating barriers to employment, and therefore, serves as a board director for Goodwill North Central Wisconsin. She is an active member of the Association of Supply Chain Management and is a Purchasing Council member for the Manufacturer’s Alliance for Productivity and Innovation. Tina is also a member and chapter sponsor for Women In Manufacturing. She holds a Bachelor of Science in Applied Business from Mount Mercy University and an Executive MBA from the University of Iowa.

Tim has served as Group President, Paper Packaging & Services at Greif, Inc. since January 2014, and President of Soterra Land Management LLC, a Greif subsidiary since May 2015. Prior to these roles, he served as Vice President, Containerboard Mills.

Tim’s career spans 35 years in the paper packaging industry in management roles with large integrated firms such as Union Camp Corporation and smaller independent companies, where he focused on strategic growth initiatives for each organization. He remains active in the paper packaging industry through his service as Vice Chairman of the Fibre Box Association, the largest industry trade association of the corrugated packaging industry, and as Chairman of Boxboard Products in Greensboro, NC.

His leadership also extends as Chairman of the International Corrugated Packaging Foundation which partners with more than 20 universities across the country to build curriculum and provide equipment and funding for Packaging and Engineering Schools. Tim is also a Board Member of the Paper Recycling Coalition, an advocacy group with a mission to protect the U.S. recovered fiber supply from market distorting government subsidies and costly government regulations, and he serves in the Containerboard Sector at the American Forest & Paper Association and is a member of the Paper & Packaging Board.

Tim earned his bachelor’s degree from Miami University and has attended graduate programs at Kellogg School of Management at Northwestern, Harvard Business School, and The London Business School.

Doug Lingrel was named Chief Technology Officer in February 2022.  He is focused on delivering world-class digital technology solutions based on customer needs with a focus on applications, infrastructure, and cybersecurity.  Previously, Doug served as Chief Administrative Officer where he oversaw the Greif Business System, the global IT organization and has held oversight of the global sourcing and supply chain organization. In addition, Doug served as Greif’s Chief Information Officer, Vice President, Global Supply Chain Process and Administration and Controller for North America industrial packaging. Doug joined Greif in 1998 as part of the Sonoco Industrial Containers acquisition. His more than 34 years of experience includes leadership roles in IT, sourcing and supply chain, finance, and operations. Doug holds a Master’s and a Bachelor’s degree from the University of Cincinnati and has attended graduate programs at Harvard Business School, Columbia Business School, and Kellogg at Northwestern.