Okay, sure. How about Greg gdb Brockman, President & Co-Founder of OpenAI. Remember, we're looking for James Webb, not Robert Oppenheimer, and I think his tenure at OpenAI fits the bill.
That person will naturally impose himself or herself through the strength of their achievements and sheer willpower in such a way that there will be not a shred of doubt in the mind of the public that this individual is worthy of deference and reverence.
No one decided Einstein was the greatest scientist of the 20th century. Einstein did his thing and let the results speak for themselves.