Presidency change at SGF International e.V.
As of June 18, 2025, Dirk Schweikert, Head of Group Quality at Döhler Group, is the new President of SGF International e.V. The experienced quality manager brings in-depth industry knowledge and many years of leadership experience to the role.

As of June 18, 2025, Dirk Schweikert, Head of Group Quality at Döhler Group, is the new President of SGF International e.V. The experienced quality manager brings in-depth industry knowledge and many years of leadership experience to the role. He succeeds Dr Joachim Tretzel, who has led the association with great dedication and strategic foresight since 2013.
Alexandra Heinermann, General Manager of SGF, stated: “With Dirk Schweikert, a proven expert with deep understanding of the fruit juice industry is taking over the presidency. We are very much looking forward to working together and gaining fresh insights from his perspective and experience. We would like to express our sincere thanks to Dr Tretzel for his valuable service over the past twelve years. During this time, he played a significant role in shaping SGF’s development and laid a solid foundation for the future.”
Dirk Schweikert emphasised: “I am very grateful for the trust placed in me by my colleagues on the Executive Committee and I look forward to this new task. Together with the SGF team, I aim to continue the successful work of my predecessor and drive forward new projects that benefit our members.”
SGF extends its heartfelt thanks to Dr Joachim Tretzel for his many years of dedicated tenure. During his presidency, the association’s international role was strengthened, key partnerships were expanded, and the voluntary control system was developed further in line with quality assurance and consumer protection. We wish him all the very best for the future.