Nikolaus Rajewsky (born 1968) is a German system biologist at the Max-Delbrück-Center for Molecular Medicine (MDC) and at the Charité in Berlin. He founded and directs the “Berlin Institute for Medical Systems Biology”. (BIMSB, Max-Delbrück-Center for Molecular Medicine). He leads the Rajewsky lab, where he studies how RNA regulates gene expression. He also co-chairs LifeTime, a pan-European research initiative of more than 90 academic institutions and 70 companies, which aims to revolutionize healthcare by mapping, understanding, and targeting cells during disease progression. LifeTime integrates several technologies: single-cell multiomics, machine learning, and personalized disease models such as organoids. Rajewsky has received numerous awards and honors, including the most prestigious