Executive Leadership
Since 2015, Ole has been committed to shaping Greif’s culture and driving its growth. With extensive experience spanning private, private equity, and public multinational companies, he brings deep operational expertise and a focus on sustainable growth strategies. Having lived permanently in five different countries and worked across five continents, Ole has developed profound insights into diverse cultures, business practices, and global market dynamics.
Before joining Greif, Ole was Group Managing Director for one of the world’s largest roofing manufacturers, where he gained significant experience in successfully turning around and growing several underperforming businesses. Prior to that, he served as Managing Director for a leading global window company group, further sharpening his leadership and strategic capabilities.
A passionate lifelong learner, Ole’s leadership approach is also shaped by his military training and his participation in executive programs at renowned institutions like Harvard Business School and top European organizations.
Larry Hilsheimer joined Greif in May 2014 as Chief Financial Officer. Previously, he served as Executive Vice President and Chief Financial Officer of Scotts Miracle-Gro, Executive Vice President and Chief Financial Officer and President and Chief Operating Officer of multiple business units of Nationwide Mutual Insurance Company and Vice Chairman and Regional Managing Partner for Deloitte & Touche USA, LLP.
Larry serves on the Board of Directors of IBP (NYSE), Battelle for Kids and Root Insurance Company and the National Veterans Memorial and Museum. He previously served on the Finance and Audit Committees of the Board of The Ohio State University. He also sits on the Dean’s Advisory Council at Fisher College of Business and has served as a Board member for The Ohio State University Alumni Association and numerous other charitable and civic boards.
Larry holds a bachelor’s degree in accounting from the Fisher College of Business at The Ohio State University and a law degree from Capital University Law School.
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.
Bala V Sathyanarayanan serves as the Executive Vice President & Chief Human Resources Officer. He is focused on delivering a world-class, diverse, and engaged workforce that can execute on Greif’s vision of, be the best performing customer service company in the world. Before Greif, Bala served as Executive Vice President for Human Resources at Xerox Corporation. Bala also led the human resource function for the Americas Enterprise Business at Hewlett-Packard and has had leadership roles at Avaya Inc., Coca Cola Inc, and United Technologies Inc.
Bala was named to the list of Outstanding 50 Asian Americans in Business by the Asian American Business Development Center (AABDC) and named Executive of the Year by Columbus CEO Magazine. Bala earned a Bachelor of Science degree in Electronics and Communications Engineering and Master of Business Administration (MBA) degree in General Management from the University of Madras in Chennai, India. He also holds a Master’s in Human Resources Management from Rutgers University and graduated from the Advanced Management Program at Harvard Business School.
Paddy Mullaney is Senior Vice President & Chief Business Unit Officer at Greif, overseeing global operations for Customized Polymer Solutions, Durable Metal Solutions, Sustainable Fiber Solutions and Integrated Solutions.
With over 30 years of experience in the packaging industry, Paddy has a proven track record of leading high-performance teams and driving growth. He joined Greif in 2017, where he initially led the growth and development of the Rigid Industrial Packaging businesses in the EMEA region. In 2021, he was promoted to Group President of Global Industrial Packaging, continuing to drive Global business growth, and in 2024, he assumed his current role as Senior Vice President & Chief Business Unit Officer.
Before joining Greif, Paddy was CEO of Clondalkin Group, a global flexible and paper-based packaging businesses in the consumer & pharmaceutical packaging sectors. Prior to that, Paddy held C-Level positions within Clondalkin Group. He has a deep understanding of international markets, a strong commitment to driving customer satisfaction and delivering shareholder value.
Paddy actively contributes to the industry, having served as Vice-Chair of Flexible Packaging Europe. He dedicates his free time to coaching and mentoring young rugby players. Paddy holds bachelor's and master's degrees in Engineering from University College Galway, Ireland, and an MBA from the University of Bradford, United Kingdom.
Tim Bergwall is the Senior Vice President and Chief Commercial Officer at Greif, where he leads global sales, marketing, and sustainability activities. Before assuming this role, Tim served as Group President of Paper Packaging & Services and Soterra Land Management LLC since 2014.
With over 35 years of experience in the paper packaging industry, Tim has held leadership positions in both large, integrated companies like Union Camp Corporation and smaller independent firms, consistently driving strategic growth for each organization.
Tim remains deeply engaged in the industry as current Chairman of the Fibre Box Association, the leading trade association for the corrugated packaging sector, and as Chairman of Boxboard Products in Greensboro, NC. His leadership extends to his role as past Chairman of the International Corrugated Packaging Foundation, which collaborates with over 20 universities nationwide to enhance packaging and engineering education through curriculum development, equipment donations, and funding. Additionally, Tim serves as a board member of the Columbus Zoo and Aquarium.
Tim holds a bachelor’s degree from Miami University and has pursued further education through graduate programs at Kellogg School of Management, Harvard Business School, and The London Business School.
Kimberly Kellermann leads Greif’s Global Operations Group, including leading the Enterprise Automation Strategy; driving continuous improvement; integrating Capital Planning and execution; quality and regulatory compliance and the company’s safety program of Zero Harm to enhance our safety culture and approach worldwide.
Kim has extensive experience in operational leadership, operational excellence and driving product and service quality through financial investment and correct capital planning. She has significant experience in Engineering Management and global large-scale rollouts of behavioral change programs.
She has championed several industry initiatives and more recently helped launch a career development program aimed at improving the representation of women in manufacturing leadership and technical roles.
Prior to Greif, she had a 17-year career with Boehringer Ingelheim, one of the world's leading research-driven pharmaceutical companies, where she gained significant experience in leading global teams and delivering international strategy as well as integrating businesses on an international scale as Vice President of Operations and Head of Network Competitiveness.
Kellermann holds an MBA in International Business from The Ohio State University as well as a bachelor’s degree in Industrial & Systems Engineering from the same leading University.
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.
Vivian Bouet is Greif’s Chief Information & Digital Officer (CIDO), joining us on December 5, 2022. Vivian brings over 28 years of experience in business and technology transformation and most recently served as the Chief Information Officer at CPS Energy, the nation’s largest municipally owned energy company with over $12B in assets under management. She was responsible for overseeing the technology roadmap, enterprise architecture, digital experience, business solutions development, and innovation functions. She also provided leadership in corporate strategic planning, change management, and enterprise program management.
In her role as CIDO, as part of the Executive Leadership Team, Vivian will help shape the company’s broader strategic direction, engaging customers and vendors through technology and digital solutions. Significant emphasis will be placed on anticipating change and identifying opportunities for innovation to ensure Greif maintains a leadership position within an increasingly competitive industry landscape while championing continued colleague growth and development.
Bill D’Onofrio joined Greif in August 2014 and currently serves as the Vice President of Corporate Development and Investor Relations. Previously he held financial leadership roles across Greif leading Financial Planning & Analysis, Data & Analytics, Financial Systems and Business Unit Finance.
Prior to Greif, Bill held roles in private equity and investment banking. He currently serves as Board Chair of Flying Horse Farms. Additionally, he serves on the Board of Directors of both the SeriousFun Children’s Network and the Ohio Chamber of Commerce. Bill is also involved with several organizations at the Fisher College of Business.
Bill received a B.S. in Finance from Indiana University and an M.B.A. from The Ohio State University.