Anthesis Names Dr. Matthew Bell as Group CEO

• Dr. Matthew Bell named Group CEO, bringing over 20 years of accomplished industry experience
• Stuart McLachlan to remain on Board of Directors, supporting the next phase of the Company’s growth

Anthesis today announced the appointment of Dr. Matthew Bell as Group Chief Executive Officer, effective 1st December, 2025. As part of a planned succession, co-founder Stuart McLachlan will step down as CEO and remain on the Board of Directors, ensuring a smooth transition and to provide ongoing advice and support.

A career-long sustainability professional and published scientist, Matthew brings over two decades of leadership across the private and public sectors. He joins Anthesis from EY, where he served as Global Leader for Climate Change and Sustainability Services, advising multinational corporations and governments on sustainability strategy, decarbonisation, reporting, and long-term value creation. At EY Matthew led a global team of over 4,300 specialists; previously he headed the UK Government’s project office on its major climate and energy policies (2003-2007). He has led high-performing teams globally and regionally at EY, driving innovation and impact across the climate and business transformation agenda. Matthew also serves as Chair of the Board of Directors of the World Green Building Council, the world’s largest network advancing decarbonised, resilient, and regenerative buildings.

Matthew succeeds Stuart McLachlan as Group CEO of Anthesis Group. Since co-founding the Company in 2013, Stuart has overseen more than a decade of rapid growth and transformation, including the acquisition of 24 businesses and expansion to over 1,400 sustainability experts worldwide.

Derek Kemp, Chair of Anthesis said, “On behalf of the Board and the Anthesis team, I want to thank Stuart for his outstanding leadership in building Anthesis into the business it is today. We are delighted to welcome Matthew as our new CEO. He brings a rare combination of policy depth, extensive market experience and credibility, and high-performance leadership on a global scale. It is a credit to Anthesis to attract talent of his calibre. Matthew’s track record of advising the world’s leading organisations on climate and sustainability strategy and reporting is a perfect fit for Anthesis as we enter our next phase of growth.”

Stuart McLachlan, co-founder of Anthesis, commented, “Anthesis was founded on the belief that sustainability drives better performance. The Company has a critical role in delivering sustainable performance for many of the largest global organisations across sectors. Working with our team to shape Anthesis into a sustainability leader and champion has been deeply rewarding. Matthew is the right leader to build on our strong momentum and guide Anthesis through its next stage of growth – bringing his deep industry expertise and a proven ability to build high‑performing global teams.”

Alex Wagenberg, Managing Director and Partner at Carlyle, said, “On behalf of Carlyle, we thank Stuart for his commitment to Anthesis over the last decade. His vision and stewardship created a differentiated platform with global scale and client trust. As a shareholder to the business, we are excited to partner with Matthew and the Anthesis team to accelerate growth and execute the strategy for long term success.”