Who we are


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Jakob Eckert
  • Name: Jakob Eckert
  • Position: Program Manager
  • Telephone: +49 511-643-2509
  • E-Mail:

Jakob Eckert is BGR's manager of the Extractives and Development program. He coordinates an interdisciplinary team that works with him towards the realization of the Agenda 2030. Further Jakob is engaged in the policy advice component of the sector program. His job is to enable government officials and holders of political office to make informed decisions. This involves the permanent monitoring and analysis of trends regarding international natural resource policies and economics.

Hannah Maul
  • Name: Hannah Maul
  • Position: Researcher
  • Telephone: +49 511-643-3332
  • E-Mail:

Hannah focuses on value addition in the sector of mineral resources. A special focus is set on building materials, which are a subgroup of the so-called Development Minerals. She works on contributions to support the local development of the low value resources to strengthen the economy and the infrastructure in our partner countries actively. This includes the set-up and support of fair and sustainable value chains.

Nils Handler
  • Name: Nils Handler
  • Position: Researcher
  • Telephone: +49 511-643-3332
  • E-Mail:

Nils is working in the conceptual development of the sector programme Extractives and Development in the areas of economic diversification of resource-rich economies with regards to the Agenda 2030. Contextual focus herein is the promotion of local value addition (local content), the economic development of mining regions and the collaboration of local and international actors in the form of joint ventures.

Fabian Stähr

Fabian has been working at the BGR since the end of 2015 and is deals with responsible mineral supply chain management. He is specialized in the gold industry and the artisanal and small-scale mining sector. This includes the implementation of innovative pilot schemes. Fabian also works in the policy advice component of the sector program and supports the Ministry for Economic Cooperation and Development (BMZ) in their decision making process.

Nils Wortberg

Nils works on new concepts and pilot measures related to energy resources and climate. Among these are the usage of natural gas as a bridging technology and the mitigation of environmental risks from cuttings. Moreover, he coordinates and designs small-scale measures including capacity development in the Somalian government authorities supervising the national petroleum sector. Nils is also part of the policy advice component of the sector programme.


Johanna Beate Wysluch
  • Name: Johanna Beate Wysluch
  • Position: Program Manager
  • Telephone: +49 228 4460-3096
  • E-Mail:

Johanna is GIZ`s manager of the Extractives & Development program. She ensures that processes and organisation in her team run smoothly, and safeguards the professional and technical quality of the results. Her task is to assist BMZ in advancing the development of German development cooperation approaches in the extractive sector against the background of new requirements under the 2030 Agenda for Sustainable Development. Johanna is a lawyer and trained mediator and previously headed the German EITI-Secretariat in Berlin, as well as an anti-corruption project of the BMZ in Indonesia.

Dr. Leopold von Carlowitz

Leopold mainly deals with the topics, conflict minerals, resource conflicts and human rights in mining. He focuses on supply chain transparency and sustainability standards in the metals sector and promotes respective multi-stakeholder collaboration. Up to the end of 2015 he worked on the GIZ land reform project in Namibia, having previously held posts at the Center for International Peace Operations, the United Nations and in peace and conflict research.

Lisa Stellner
  • Name: Lisa Stellner
  • Position: Junior Advisor
  • Telephone: +49 228 4460-3025
  • E-Mail:

Lisa is responsible for the internal and external communication of the sectoral program. In addition to strategic communication, she is the contact person for the cross-cutting theme of gender in the extractive sector. Moreover, she supports the topics raw materials and climate / energy / environment.

Shari Leinen

Shari is responsible for the programme’s knowledge and commission management. She also supports the project management in the areas of monitoring and communication. Moreover, she works on the topics of supply chain transparency and sustainability standards.


Sun-Min Kim
  • Name: Sun-Min Kim
  • Position: Advisor
  • Telephone: +49 228 4460-3483
  • E-Mail:

Sun-Min works on local value creation, digitization and EITI. Prior to joining the sectoral program, she worked in Guinea with the Natural Resource Governance Institute (NRGI), on topics as EITI implementation, contract monitoring and data usage.

Johannes Lohmeyer

Johannes mainly deals with the topics EITI and Good Financial Governance in the natural resource sector. Before joining the SP he supported the German Chancellor's Personal Representative for Africa in the BMZ in the development of the CONNEX Initiative that counteracts imbalances in the relationship between partner countries and investors when negotiating resource contracts. In addition, Johannes worked as a consultant on topics related to resource governance for international clients.

Janet Lechner
  • Name: Janet Lechner
  • Position: Junior-Financemanager
  • Telefon: +49 30 7264-211
  • E-Mail:

Janet is responsible for the financial project control. Her job is to support the team in commercial, administrative and financial matters. Among other things this includes drawing up and managing contracts, but also financial management. In addition, she is the contact person for organisational issues and deals with office management within the team.

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