Dr. Klaus Mueller is Director at KfW Development Bank and currently Head of the Department South East Europe and Turkey. He began his professional career as a Project Manager at KfW Development Bank in 1995. His responsibilities were health, water, and sanitation programmes in Indonesia and the Philippines. In 2000, he joined the division of Export and Project Financing of KfW, where he was responsible for the energy sector.

In 2001, Dr. Klaus Müller was appointed Director of the KfW Office in Vietnam. After his return, in 2005, he joined the Strategy Department of KfW Development Bank and was nominated Director of the department in 2006. One year later, he was appointed to the same position at the Corporate Policy Department of the KfW Group. From 2009 until the beginning of 2014, Dr. Müller has been the Director of the Department of East and West Africa Sahel. From 2014 until mid of 2020 he was Director of the Department of Eastern Africa, DR Congo, and African Union. Since mid of 2020, he has been the Director of the Department of South East Europe and Turkey.

He studied agricultural economics at the Universities of Bonn (Germany), Kuala Lumpur (Malaysia), and Edinburgh (Great Britain) and received his Ph.D. on agricultural trade issues of the ASEAN countries including a research stay at the Institute of Southeast Asian Studies in Singapore.