Both approaches have value in certain contexts, not just in product development. Customer personas has more value in marketing and Jobs To Be Done has more value in product development, but both approaches are useful in both functions and beyond.
Here's the talk that inspired my recent thoughts. https://blog.intercom.io/jobs-to-be-done-doubter-believer/

Both approaches have value in certain contexts, not just in product development. Customer personas has more value in marketing and Jobs To Be Done has more value in product development, but both approaches are useful in both functions and beyond.

Here's the talk that inspired my recent thoughts. https://blog.intercom.io/jobs-to-be-done-doubter-believer/