I had taken AI/ML over a decade ago in College.
Was wondering how folks have transitioned to the space. Particularly from management perspective.
Engineering managers shouldn't be writing code anymore, especially if they're a senior engineering manager like yourself who is often managing other managers. The most fluid way would be to transition internally to lead an department within this space.
If you really want to get into the nitty-gritty and earn the respect of engineers, you could switch back to being a very senior IC and do ML and NLP work. From there, follow these resources to learn the new domain:
Here's some good discussions on pivoting into machine learning: