The development of neuroscience alongside advancements in technology in the 21st century has enabled engineers to consider the potential neurotechnology could have in reshaping our lives. This conversation’s focus on ‘Brain Engineering’ questions the future of the emerging technology, with specific consideration on the treatment of neurological disorders, current challenges, and the ethical issues surrounding neurotechnology including questions around agency. We also discuss the creation of the KTN ‘Transformative Roadmap for Neurotechnology in the UK’, and what the desired consequences of its creation are.