Khadija Sarquah (M.Sc.) leads the Sustainability department at ABCircular. She brings extensive expertise in environmental technology, circular economy and energy. She is originally from Ghana, where she studied Renewable Energy Engineering. This was followed by a master's degree in Sustainable Energy Management and a certification in Logistics and Supply Chain Management.

Her work focuses on sustainability assessments, waste management and characterisation, recycling solutions and renewable energies, with a particular focus on applications in rural areas. She is the central contact person for waste-to-energy approaches and is expected to complete her doctorate in environmental technology in 2025.