Maryanna Quigless, Product Lead, Facebook
Shreyas Doshi, Product Manager, Stripe
Shreyas lists out 39 PM frameworks. He did a ton of research to produce this excellent list.
Brandon Chu, GM, Platform, Shopify
Brandon covers 16 frameworks across 3 categories:
1) Figuring out Where to Invest
2) Designing and Scoping
3) Shipping and Iterating