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Main topic of my first research work during my PhD-student time was the investigation of ultrafine grinding in stirred media mills leading to the definition of the stress model, which is today often used to describe milling processes. After finishing my doctorate in 1996, I worked 9 years as a process engineer in leading industrial positions. In 2005, I was appointed as Professor and Director of the Institute for Particle Technology (iPAT) at Technische Universität Braunschweig.

At TU Braunschweig, I am today spokesman of the interdisciplinary research centres Battery LabFactory Braunschweig (BLB) and Center of Pharmaceutical Engineering (PVZ) in which principal investigators of different disciplines work together on complex research topics. Moreover, I am vice chair of BMBF advisory board Battery Research Germany, coordinator of BMBF competency cluster for battery cell production (ProZell), chairmen of the European Lithium-Battery Pilot Line Network (LiPlanet) and member of Fraunhofer Institute for Thin Films (IST). In 2022, I was elected Vice President for Technology Transfer and Innovation of the University.

My research focus lies on developing deep knowledge, process-structure-property relationships and numerical simulations for processes in which particles are mechanically stressed and formulated, from milling and mechanochemical synthesis to mixing, handling, characterization and granulation of powders. However, beside basic process research the focus is on the production and recycling of innovative products like battery electrodes, drug products and 3D-printing powder. I really much like to work with my highly motivated PhD-students on innovative research topics leading to more than 500 papers until today. I received awards like the Lower Saxony Science Award in 2021 and the Hans Rumpf medal in 2022.