I don't know if the official unofficial mgoblog 2 deep has been updated to reflect this (would check if I wasn't on my phone), but I think van Bergen is at SDE and Heininger is at DT. I've been confused about it for a while but one of the pressers this week confirmed it.
"Coach Mattison told me what the Ravens were about, what he thought," Beyer said. "He definitely encouraged me. I hold his opinion in high regard."