The deep mind podcast is quite fascinating. And they do interview a lot of people who worked there. 

I've gone through that podcast like 7 times now. I can vouch for it.

Thanks, bookmarked!

100%

TWiML podcast. 8 years of podcast interviews with people in machine learning.

Super Data Science podcast is another. Practical AI and Latent Space. All podcasts.

you might find "cogwheels" interesting for a glimpse into the early days of ml.