• Dr. Bernd Zattler
  • Chairman

Dr. Bernd Zattler, Chairman (AccessHolding). Dr. Zattler is the Chief Executive Officer of AccessHolding AG, the majority owner of AB Microfinance, as well as a member and chairman of other banks in the AccessHolding Group. In 1994, Dr. Zattler established the consulting firm LFS Advisory GmbH, the founding shareholder of AccessHolding. His prior professional experience includes work for a multinational firm and in other institutions engaged in development finance. Dr. Zattler holds a PhD in Economics and is fluent in German, English and French.

  • Marcus Hannappel


Marcus Hannappel, Member (AccessHolding). Mr. Hannappel is a senior banking expert at AccessHolding. He has worked in several microfinance banks, including one year as the Chief Credit Officer / Deputy CEO of AB Microfinance Bank Nigeria, as well as three years as a Credit Advisor and Branch Manager in Nigeria and Madagascar. Mr. Hannappel holds an M.Sc. in Economics and speaks German, English, French and Spanish.

  • Johannes Mainhardt


Johannes Mainhardt, Member (AccessHolding). Mr. Mainhardt is the Head of Investments at AccessHolding. He has worked in several microfinance banks. He served as the Chief Credit & Operating Officer at AB Microfinance Bank Nigeria, as well as the Finance & Risk Director at Credo Bank (Georgia) and held senior positions in other network banks. Mr. Mainhardt has a degree in Business Administration and is fluent in German, English and Russian.

  • Dr. Ndidi Nnoli-Edozien


Dr. Ndidi Nnoli-Edozien, Member (IFC). Dr. Nnoli-Edozien is a finance and development consultant in Nigeria. She has advised with the Federal Ministry of Communication Technology, drafting a comprehensive ICT policy for Nigeria. She has also consulted the Federal Government of Nigeria, Coca-Cola, MTN Nigeria, the United Nations Development Program, as well as Bertelsmann AG from Germany. Dr. Nnoli-Edozien holds a Ph.D. and Master Degree. She is fluent in English, German and French.

  • Oley Dibba-Wadda


Oley Dibba-Wadda, Member (AfDB). Ms. Dibba-Wadda is a strategic analyst and expert in international development policy and programming, particularly on Youth Development, education and gender equality in Africa. She is the current Director for Human Capital, Youth and Skills Development at the AfDB and was the first female Executive Secretary of the Association for the Development of Education in Africa (ADEA) hosted by the AfDB. She holds an M.A. Degree in Gender Analysis in Development from the University of East Anglia.

  • Oliver van Bergeijk


Oliver van Bergeijk, Member (KfW). Mr. van Bergeijk has serves as a Vice President in the Restructuring Department of KfW. He is also a Board Member of BFSE Holding BV. Previously, Mr. van Bergeijk worked as a Fund Manager in the KfW Carbon Fund and as an Investment Manager for KfW’s private equity and venture capital funds. He holds a Master’s Degree in Economics, and is fluent in German and English.

  • Klaus Mueller
  • MD / CEO

Klaus Mueller, Managing Director (AB Microfinance Bank). Mr. Mueller is the MD/CEO of AB Microfinance Bank Nigeria. He has worked in the management of financial institutions in Germany and Eastern Europe, where he has served in senior roles in risk and general management of commercial banks. Mr. Mueller holds an MBA degree and is fluent in German, English, Russian and Serbian.