Green Group Consulting specializes in transforming sustainability challenges into competitive advantages for businesses and organizations of all kinds. We bring decades of deep expertise in regulatory strategy, procurement and supply chain, data analytics, material recovery, recycling and plastics to power your sustainable transformation.

From product design and material sourcing to end-of-life recycling, we partner across the entire value chain to achieve all your ambitious goals. Our approach is hands-on, data-driven, and relentlessly focused on getting you measurable results.

Whether you’re optimizing recycling systems, scaling post-consumer materials, or navigating complex sustainability regulations, Green Group Consulting delivers the expertise and partnership you need for lasting impact and compliance.

With over a century of combined expertise, Green Group Consulting is reshaping the plastics recycling ecosystem. We work across the entire value chain, translating technical complexity into actionable, practical strategies. From public agencies to private organizations, we help stakeholders unlock solutions, navigate regulations, and build systems that deliver both environmental impact and economic value.

We don’t just advise. We bridge the gap between strategic vision and operational reality. Whether you’re working to advance circular economy initiatives, strengthening materials infrastructure, or solving supply chain challenges, we have what you need to move from planning to progress to execution.

Every client works directly with top-tier experts in their field. We combine boutique agility with heavyweight expertise, giving you both strategic precision and hands-on partnership at any scale.

David Nix | President, Founder

David brings over three decades of experience in the plastics industry with a focus on polypropylene and recycling. His career spans leadership roles at global polyolefin producers like LyondellBasell and Braskem. After launching his own recycling business and advising private companies, David returned to Braskem as North America’s Sustainability and Recycling Leader.

Today, through Green Group Consulting – co-founded with his son – David leverages his unmatched technical expertise and hands-on experience to guide clients across the plastics value chain. He has led capital projects exceeding $1 billion and is recognized as one of the world’s foremost experts in polyolefin resin design and recycling technologies.

Harrison Nix | Vice President

Harrison’s background in data analysis and hands-on experience scaling a post-consumer polypropylene recycling facility allows him to bridge technical insight with operational execution. He has developed ISO-compliant Life Cycle Assessments, led the creation of a third-party certification company for sustainable materials, and helped numerous clients implement transparent, traceable supply chains.

Now, Harrison leads data management analysis, recycling facility operations, and financial modelling – combining data-focused problem-solving and real-world experience to provide GGC’s signature technical advisory services. Harrison is certified in ISCC, ISCC PLUS, and ISCC Waste and Residues Auditing.

John Caturano | Managing Director

With over 30 years of experience in packaging, recycling, and sustainable sourcing—including leadership roles at Nestlé and Keurig Dr Pepper—John brings deep expertise in packaging policy, technical packaging across formats, and sustainability frameworks such as Deposit Return Systems (DRS) and Extended Producer Responsibility (EPR).