Michael McCullar
Nexus Circular has appointed Michael McCullar as chief financial officer, bringing in a finance executive with experience in corporate development and investment banking as the advanced recycling company scales its operations and technology platform.
McCullar will oversee the company’s finance organization and support its growth strategy as Nexus Circular expands its capacity to process and convert landfill-bound plastics into recycled materials for industrial use. The company is backed by Cox Enterprises, which has been an investor and strategic partner as Nexus builds out its circular economy infrastructure.
The appointment comes as advanced recycling companies face growing demand from manufacturers seeking alternatives to virgin plastic feedstocks, alongside increasing regulatory and corporate pressure to improve recycling rates and reduce environmental waste. Nexus Circular operates a pyrolysis-based system designed to break down end-of-life plastics into reusable materials, positioning it within a broader wave of chemical recycling technologies aiming to complement traditional mechanical recycling.
McCullar joins the company from Cox Enterprises, where he spent six years in corporate development working on investments and strategic initiatives across multiple emerging businesses, including Nexus itself. His background spans corporate finance, capital markets, mergers and acquisitions, and board-level advisory work, giving him direct exposure to the company’s operating model prior to stepping into the CFO role.
Before joining Cox, McCullar worked nearly a decade at J.P. Morgan in investment banking, advising companies on capital raising and M&A transactions. Earlier in his career, he also held roles in private equity and public accounting, building experience across both transactional and reporting functions.
“Michael brings strong financial leadership and a deep understanding of our business. As we continue expanding our technology and partnerships, his experience will be instrumental in helping us scale operations and deliver on our mission,” said Jodie Morgan.
His appointment reflects a broader trend among climate technology and recycling firms bringing in finance leaders with capital markets and investment experience as they move from development-stage operations toward larger-scale commercial deployment. Access to capital and disciplined financial planning have become increasingly important as advanced recycling companies expand infrastructure and seek long-term supply agreements with global manufacturers.
Cox Enterprises, the parent and strategic backer of Nexus Circular, has continued to invest in sustainability-focused businesses across energy, agriculture, and industrial innovation, positioning itself as a long-term partner in scaling circular economy technologies.
“Michael has been closely involved with Nexus during his time at Cox Enterprises and understands both the opportunity and the impact of what they are building. We’re excited to see him step into this role and help support the company’s continued growth,” said Shereta Williams.
McCullar’s transition into the CFO role comes as Nexus Circular works to expand its commercial footprint and strengthen partnerships with manufacturers seeking scalable recycled plastic inputs. The move underscores the increasing financial sophistication required in the advanced recycling sector as companies shift from pilot-stage technology toward industrial-scale production.