What department do the speakers most likely work in?

W: Well, it looks like we’ve got big assignment here in marketing. We have to create a full advertising campaign for the new line of X-20 mountain bicycles. I might have you work with Jeff, the product line manager.
M: I’d like that. In fact, last week Jeff asked for my assistance in putting together a written product description for the X-20. It’s a major project for him, and he really wants to focus on the bike’s superior design and riding performance.
W: Excellent. There’s no need for us to wait then. Let me give Sue a call right away, and she’ll talk to Jeff. You two may start working together after lunch today.
M: That sounds like a good plan.