Whenever you're ready, walk me through how you'd approach this.
Where would you see yourself in 5 decades?
This question explores how you think about long-term impact while recognizing that roles, technologies, and priorities will change substantially. The interviewer is assessing self-awareness, adaptability, values, and whether you can connect an ambitious vision to meaningful contributions rather than simply naming a future title.
A strong answer should acknowledge uncertainty, describe the kind of problems or impact you want to pursue, and explain how you would make progress through shorter-term goals.