This podcast on Creating a Thriving Product Organization covered a lot of ground: becoming a product leader; what to do in your first month on the job; conditions that enable product teams to be their best; and Impostor syndrome.
The “No Head of Product Syndrome” is where product managers are scattered throughout a complex organization, but lack an executive-level product leader who can to create conditions for success: drive good hiring/mentoring, create bits of semi-standard processes, and set achievable role/job expectations.