Very informal, with the producer, account rep and platform lead. They had some specific problems that were going on and needed to fill in the role of another staff member who was leaving the team.

I applied on their website and within a few days received an email from an HR rep to setup a phone interview. They asked for open times during the next week for a call - I replied within two hours of getting their email. I never heard back from the HR rep so I reached out to follow up in a week and still never heard back. Even if I heard back, it left quite a bad impression. The job posting is still on their website too.