On December 10th, Beijing time, Elon Musk's brain-machine interface enterprise, Neuralink, unveiled the appointment of David McMullen, previously the director of the Office of Neurological and Physical Medicine Devices at the U.S. Food and Drug Administration (FDA), to the position of head of medical affairs. Throughout his stint at the FDA, McMullen played a pivotal role in greenlighting applications for neuromedical devices, amassing a wealth of expertise in the brain-machine interface domain. He has delivered numerous public addresses as an FDA industry spokesperson and is a valued member of the 'Implantable Brain-Machine Interface Collaborative Community.' Neuralink emphasized that McMullen's role will be instrumental in ensuring that the company's technology remains at the forefront of innovation, genuinely beneficial, and is implemented in a responsible and scalable manner that maximizes public welfare.