Strategic solutions
for a circular economy.

Green Group Consulting (GGC) is a specialized sustainability consulting firm dedicated to advancing circular solutions across the recycling and plastics industries. With deep technical expertise in mechanical and advanced recycling, plastic production, post-consumer content, and large-scale data projects, we help organizations navigate the complexities of sustainable transformation.

At GGC, we work across the entire recycling supply chain—from material recovery facilities to brand owners—bridging the gap between innovation and implementation. Our team brings a hands-on, data-driven approach to solving environmental challenges, empowering clients to meet ambitious sustainability goals with confidence and clarity.

Whether you’re optimizing recycling systems, integrating post-consumer materials, or managing complex sustainability data, Green Group Consulting is your trusted partner for building a more sustainable future.

About

Sustainability is our passion.
Recycling is our expertise.

With over a century of combined industry expertise, GGC supports the transformation of the plastics recycling ecosystem. Our work across the supply chain blends technical insight with practical solutions. We collaborate with stakeholders across the public and private sectors to unlock scalable opportunities, ensure regulatory alignment, and build resilient systems that support long-term sustainability and economic growth. Our consultancy bridges operational realities with strategic goals to advance circular economy, materials management, and infrastructure development.

We assemble cross-disciplinary teams of top-tier experts and connect our clients with the very best in their fields. Our boutique model, combined with powerhouse expertise, allows us to manage complex, large-scale projects with strategic precision and a tailored touch.

Our team and extensive network includes experts with direct experience in:

  • Material Recovery and Reprocessing Facilities – operations, infrastructure planning, facility design and optimization, expansion strategy
  • Supply Chain & Procurement – sourcing PCR, contract structuring, closed-loop systems, bottle-to-bottle initiatives
  • Data Analytics – market modeling, forecasting, and performance metrics
  • Environmental & Circular Economics – policy impact, cost-benefit modeling, and lifecycle analysis
  • Legislative & Regulatory Strategy – navigating Extended Producer Responsibility laws, PCR mandates, and compliance frameworks
  • Sustainable Packaging – portfolio assessment, technical packaging, regulatory and compliance, designing for recycling
  • Chemical Engineering – polymer science, process design, and resin innovation

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).