Anthesis Group Strengthens Leadership Team for Next Phase of Growth

Two new appointments strengthen Anthesis Group’s market and delivery capabilities for its next chapter of growth.

17 September 2026

Chief Clients and Markets Officer

Chief Delivery Officer


Anthesis Group has announced the appointment of Brandon Perlberg as Chief Clients and Markets Officer and Andrew Probert as Chief Delivery Officer. Both leaders bring deep professional services and sustainability credentials to the Anthesis leadership team, positioning the group for the next phase of growth and ambition to become the leading specialist partner for sustainable business performance.  

As Chief Clients and Markets Officer, Brandon Perlberg will focus on accelerating growth and deepening client value by bringing together sector insight, client understanding and subject matter expertise across Anthesis’ global business.  

Brandon joins the company from EY, where he served as Global Director of Strategy and Markets for the Climate Change and Sustainability Services practice, and played a key role in shaping its market proposition and global growth strategy. 

As Chief Delivery Officer, Andrew Probert will expand collaboration across Anthesis’ global business lines and operations, helping the company deliver greater impact, consistency and value for clients.  

Andrew joins from ERM, where he was a Business Unit Managing Partner, and has also held senior leadership positions at PwC, EY and Kroll. His experience spans sustainability, finance, transactions, investment and business transformation. 

Together, these appointments reinforce Anthesis’ ability to support clients as they respond to changing market expectations, regulatory developments and emerging opportunities in sustainable business performance.

We’re delighted to welcome Brandon and Andrew to Anthesis Group at this important stage in our growth. Both bring exceptional track records of building successful businesses, supporting clients through complex challenges and creating lasting value.  Their leadership, insight and experience will be invaluable as we continue to expand our capabilities and pursue the opportunities ahead.” 

Tamara Box, Chair of Board of Directors, Anthesis Group

Brandon Perlberg said:  “Anthesis is incredibly well positioned to support businesses as their resilience and potential for growth is tested like never before. I am excited to help lead this journey, creating value for our clients and impact for the planet.” 

Andrew Probert said: “Anthesis has built an impressive reputation for helping organisations address complex sustainability challenges. I look forward to working with colleagues across the business to strengthen how we operate and deliver, ensuring we continue to provide exceptional outcomes for our clients.” 

If you would like more information on the growth and innovation plans of Anthesis Group please contact us via [email protected].

For more information on how Anthesis can support your sustainability journey please get in touch via [email protected].

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