Study of nutrition science and Ph.D. at the Justus-von-Liebig-University of Giessen. After PhD graduation scientist at the Institute of Beverage Research holding the vice head position. Research topics are technology and analytics of alcoholic and alcohol-free beverages. Concerning analytics, polyphenols, bioactives, colloids, pectin structure, haze formation in beverages, and sensory evaluation are on the focus. Teaching topics are fruit juice, fruit wine, liqueurs, wine chemistry, valorisation of fruit and vegetables, and beverage analytics.