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Thomas Junker

Thomas Junker

Managing Director / CEO

Thomas Junker is a mechanical engineer specializing in manufacturing technology, and a graduate of the University of Applied Sciences in Aalen. He joined AMG Graphite GK in 2008. He served as a member of the Board of Directors of Bogala Graphite Lanka PLC between March 2010 and April 2016, and was re-appointed to the board at the beginning of 2017. Thomas Junker is Managing Director of both AMG Graphite GK and Qingdao Kropfmühl Graphite Ltd., where he has been a board member since 2011. He also heads the Board of Directors of GK Ancuabe Graphite Mine S.A.

Ulla Neunzert

Managing Director / CFO

Ulla Neunzert has been Managing Director/CFO of AMG Graphite GK since April 2020. After completing her Magister degree in North American studies at the Free University of Berlin, she lived with her family in Sweden, the Netherlands and Switzerland, managing the finance departments of various global IT companies during the period. Before returning to Germany in 2019, she spent eight years as Finance Manager Europe at the Swedish specialty oil company Nynas AB in Stockholm.

Dr. Thomas Grünberger

Dr. Thomas Grünberger

Managing Director/COO

Thomas Grünberger joined AMG Graphite GK in 2017. With global responsibility for GK Group’s technical operations worldwide, his role is to maintain the highest level of quality and occupational safety within the value creation chain. Thomas Grünberger has been closely involved with carbon since the very start of his professional career. On the back of various positions in materials science and petrochemistry, Thomas Grünberger lived in Great Britain, France and Belgium and most recently headed the carbon black division of a Swiss company. Born in Passau, he studied mechanical engineering, environmental engineering and process engineering in Regensburg and earned his doctorate at the University of Wales in Cardiff. He divides his time between Bavaria and France.


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