Mr. Trefzer is a chemical engineer and has been working as a supplier in the paper industry for over 20 years.

Mr. Nied is an industrial master in paper production and an expert in application and customer service.

Mr. Balzert is a paper engineer and has been working in the paper industry for over 20 years - 8 of them focusing on bentonite.

Mr. Gharbi is an industrial master in paper and plastics processing and a specialist in quality requirements in processing.

Ms. Steinmetz holds an international Master's degree in Management and supports Aquatan in process optimization.