Dr. Sylvia Sellmer-Wilsberg, after her studies in nutritional sciences, produced her thesis “Characterization of Acetobacter strains and Bacteriophages in industrial vinegar fermentations“. After several years of experience in Research & Development as well as Sales & Marketing in the vinegar fermentation industry, Dr. Sylvia Sellmer-Wilsberg founded Cetotec together with Hans-Werner Wilsberg in 1996.
She published numerous articles in the area of vinegar fermentation, methods of analysis, microbiology and filtration and therefore is one of the most knowledgable specialists worldwide in the field of vinegar technology.
Living organisms promptly react to environmental influences, to know and control these is the key to a high production performance.
Liesa Wilsberg, earned her degree in Industrial engineering and Management from the Technical University of Karlsruhe (KIT).
After having worked several years in business consultancy, running international projects in Asia, North America and Europe, Liesa Wilsberg joined Cetotec as CTO.
She led various projects developing new machinery and processes for the industrial fermentation industry and today serves as Managing Director.
Hans-Werner Wilsberg, being a machine engineer by training, started his career in agricultural machinery. After several years of experience as Head of Research & Development in the vinegar fermentation industry, Hans-Werner Wilsberg founded Cetotec together with Dr. Sylvia Sellmer-Wilsberg in 1996.
In the year 2000, Hans-Werner Wilsberg together with his brother Klaus Wilsberg also founded the metal processing company Wilsberg Metalltechnik. In the year 2010, WWW Zerspanung was founded in order to optimally complement the portfolio with high quality turned and milled parts, both companies being suppliers of high quality components for Cetotec.
Hans-Werner Wilsberg develops patents as well as numerous innovative applications and machinery for fermentation technology and is one of the world’s leading specialists in machine engineering for the vinegar and yeast industry.
Vinegar fermentation has a large potential when it comes to technical optimizations as well as technological developments.
Cetotec is an engineering company acting globally and specialized in services for the vinegar and yeast industry. We supply advanced and customized plants from lab scale to industrial scale, equipment, alcohol sensors, nutrients, filtration systems and reliable and safe process control for several applications.
At our base in the town of Bad Honnef, Germany, we concentrate on Production and Research & Development. Each employee of Cetotec is an expert in his or her field. We delegate responsibility and decisions, allowing our workers to be inspired and follow their passions. We strive for an openminded and laid-back work culture; it‘s good for productivity and creates an environment in which ideas become reality.