Executive Committee


SPC Executive Committee

The SPC Executive Committee is an advisory committee to GreenBlue that consists of nine elected members and one GreenBlue representative, all of whom are dedicated to the SPC and our mission. In their advisory capacity, they provide strategic and fiscal guidance on meetings, events, projects, and all other aspects of the Coalition. The Executive Committee is required to have a minimum representation from across the supply chain and elections are held once a year in the fall. Members serve three-year terms.


Liza Blackwell, Packaging Sustainability Manager, Nike

Liza Blackwell has spent 12 years in packaging and printing, and is currently the first Packaging Sustainability Manager at Nike, Inc. Originally hired by Nike to be part of their Brand Design team focused on the development and production of retail buildouts and packaging, she was brought into the packaging compliance space to help navigate Nike’s adoption and development of both internal and external EPR reporting systems.

Currently, she is focused on guiding Nike vendors and designers in balancing sustainability and compliance requirements with the goal of producing the most innovative and responsible packaging possible. In addition, she is responsible for publicly reporting packaging waste saving program results, design and material consultation of all Nike retail, consumer, and transport packaging, and fostering industry partnerships. Most recently, she has concentrated on the development of programs that drive waste elimination and the potential of packaging waste to be reincorporated into raw material streams.


Kim Carswell, Group Manager of Packaging, Target

Kim Carswell is a group manager of Packaging where she is working to create a best in class retailer packaging development team. Kim has been at Target for 10 years and has over 25 years of packaging development experience. Prior to Target Kim was the director of packaging development at General Mills and the associate director of packaging at Kraft. She has focused on guest centric packaging development and building strong partnerships with business partners throughout her career. Kim and her teams have delivered key packaging innovations to the market including the first Parmesan cheese package in PET, reclosable shredded cheese packaging, Gogurt yogurt in a tube and a reclosable bag for Archer Farms chips at Target. Kim has a Bachelor of Science Degree in Dairy Science and a Master of Science in Packaging Engineering from Michigan State University. She currently serves on the board of the University of Minnesota Raptor Center and teaching a packaging course at the university.


Chris Davidson, Director of Corporate Sustainability, WestRock

His responsibilities include ensuring that WestRock is a recognized global leader in sustainability, and projecting the company’s interests into the national and international debates on sustainability and natural resource issues. This includes facilitating WestRock’s position as a strategic partner, supplier, and resource in sustainability for our customers and stakeholders, both internal and external. Chris also works with national and international NGO’s on issues relating to sustainability and corporate responsibility.

Chris has worked in the forest products industry for over 18 years and prior to WestRock held positions of increasing responsibility with Georgia Pacific, Champion International, International Paper and MWV.

He also serves on the boards of the Forest History Society, VCU Rice Rivers Center, and the Virginia Chapter of The Nature Conservancy.


Amy Duquette, Sustainability Project Manager, HAVI Global Solutions

Amy Duquette is a Sustainability Project Manager in the Packaging Technology Integrated Solutions Department of HAVI Global Solutions. She provides sustainability support to internal and external customers by leveraging environmental expertise in foodservice packaging. Amy’s accomplishments include: management of sustainability metrics and goals, management of consumer packaging compliance with environmental requirements, management of sustainability tools, management of product claims, and team training. Amy has acted as a leading contributor for the Foodservice Packaging Industry Leadership Committee. She has also been actively engaged in the SPC access-to-recycling initiative. Amy received a Master of Arts in Sustainable Development from the University of St. Andrews in Scotland.


Paul Earl-Torniainen, Senior Packaging Engineer, General Mills

Paul Earl-Torniainen is a Sustainability Manager at General Mills in Minneapolis. Paul’s focus is to “operationalize” sustainability, which includes developing tools that simplify sustainability so that it can be used regularly in business decision making, creating business processes to identify and implement projects that reduce both environmental impact and cost, and educating employees and consumers. Paul has been at General Mills for 18 years, working for most of that time in Packaging R&D prior to joining the Sustainability team. He leverages his experience to drive progress in organizations such as the Sustainability Consortium, Wal-Mart’s Sustainable Value Network, and the Consumer Goods Forum. Paul holds a BS in Chemical Engineering from Clarkson University and an MS in Chemical Engineering from the University of Minnesota, and he has earned six patents.


Chris Mitchell, Business Manager for Packaging & Sustainable Products, Innovia Films

Chris Mitchell is a highly experienced packaging industry executive with a 20-year history in the flexible packaging sector. In his current role as Business Manager for Packaging & Sustainable Products at Innovia Films, Chris is focused on extending the green agenda throughout North, Central and South America. In this role, he leads a multi-disciplinary team of professionals that are focused on bringing sustainable packaging solutions to market for many companies throughout the Americas region. Over the course of his career, he has worked for a number of the industry’s leading organizations.Chris has been instrumental in the successful commercialization of a wide variety projects across multiple market segments and his diverse background includes senior-level management positions with direct oversight for business, operations and technology functions, as well as sales and marketing management. He holds a BS in Finance from Mercer University.


Matthew Realff, Ph.D, Professor, School of Chemical and Biomolecular Engineering, Georgia Tech

Dr. Realff is an Associate Professor in the School of Chemical and Biomolecular Engineering at Georgia Tech and Program Director at the National Science Foundation. His broad research interests are in the areas of process design, simulation, scheduling, and control. He has specific interests that include the design and operation of processes that minimize waste production by recovery of useful products from waste streams, and the simultaneous scheduling and control of batch processes. His overall research goal is to automate the entire design process: the design or selection of molecules for desired product properties, the synthesis of reaction pathways and speratio operations, and the design and selection of processing equipment, combining fundamental chemical engineering science with an understanding of the methods of design.


Gerald Rebitzer, Sustainability Leader, Amcor

Dr. Gerald Rebitzer is responsible for Sustainability at Amcor Flexibles Europe & Americas. This role encompasses both environmental management and social responsibility from an operations perspective as well as working with customers and suppliers to enhance the performance of the packaging products Amcor provides. From 2007 to 2009 he was head of product-related sustainability management at Alcan Packaging. Prior to this, he had several roles related to EHS and sustainability within Alcan, focusing on the various aluminum production and fabrication business (2003 - 2007). Gerald has nearly 20 years of experience in implementing sustainability initiatives and life cycle approaches in sectors such as Packaging, Building and Construction, Automotive, Aerospace, Electronics, and Metals. He holds a Ph.D. in Life Cycle Management from the Swiss Federal Institute of Technology Lausanne and a Masters in Environmental Engineering from the Technical University Berlin. To date he has published more than 120 papers in the area of life cycle thinking and sustainability.


Laura Thompson, Director of Technical Marketing and Sustainable Development, Sappi Fine Paper

Laura is responsible for working with Sappi’s leadership to set strategy, establish long term goals and drive key initiatives that have enabled Sappi to be recognized as a leader in sustainability. A self described “paper geek”, Laura has a BS in Chemical Engineering from the University of New Hampshire and an MS and PhD in Paper Science from the Institute of Paper Science and Technology. Since 1995, she has held a variety of positions within the paper industry including R&D, mill environmental, product development, and most recently marketing and sustainable development. Laura proudly serves the industry through numerous collaborative efforts including the TwoSides US Sustainability Committee, GreenBlue’s Forest Products Working Group and AF&PA’s task force on extended producer responsibility.


Julie Zaniewski, Packaging Sustainability Manager, North America, Unilever

Julie Zaniewski is the R&D Packaging Sustainability Manager for Unilever North America. In this role, her focus is driving programs to reduce waste through packaging design, emerging technologies and end-of-life recycling and recovery initiatives. During her 13 years with Unilever, she has led several global initiatives in developing and integrating packaging strategies, innovative materials and molding technologies into the Unilever business for brands such as Dove, Vaseline, Axe, Suave, TRESemme, Lipton and Hellmann’s. Prior to joining Unilever, Julie held various R&D and Supply Chain roles with Kraft Foods and Reckitt Benckiser, innovating and executing packaging solutions to drive market growth. Julie has a degree in packaging engineering from Michigan State University.