Nabeel Aslam became a junior professor at the Institute of Condensed Matter Physics at TU Braunschweig at the beginning of October 2022. For the last four years, Professor Aslam was researching quantum sensors in diamonds at Harvard University. He is now continuing this research at TU Braunschweig, adding a new facet to the core research area metrology and the Cluster of Excellence QuantumFrontiers. In an interview, Professor Aslam tells us how he uses single atoms in diamonds and what inspired him to become a scientist.