@BLACKandSTEMGlobal Interesting idea! For the most part, I discover things pretty organically through cross-promotion on things I already listen to and recommendations from people. But I can think of a few things that correlate with my life:
I started listening a lot when I started running home 5 miles from work each day. Some of the early ones I got into are StartUp, WTF, Death Sex & Money, ReplyAll, History of Rome, Hardcore History, and 99% Invisible.
Software Engineering Daily has been a big one for me for a long time for my professional life.
I got into Joe Rogan Experience (boo) when I was a big MMA fan, because he is one of the best commentators on the sport, and he did these hours-long interviews with people, which was really unique.
I got into Pod Save America during the wtf-is-happening-what-do-we-do-now crisis sparked by the Trump election.
I started listening to personal finance (Afford Anything, ChooseFI) and parenting (Janet Lansbury Unruffled) podcasts after my oldest kid was born.
As it became increasingly likely that I was going to go on to Jeopardy, podcasts were a major part of my studying process, to brush up on my American history (American Presidents: Totalus Rankium) and Greek mythology (Let's Talk About Myths, Baby)
I discovered Odd Lots podcast as the Gamestop phenomenon was taking off.
When I was working for a mortgage company, I got into HousingWire Daily and Chrisman Commentary to keep up with the industry.
@acjay it would be interesting to see this mapped against significant events in your life that drove you to seek out podcasts, if applicable.