Krueger believes Koeman should be excited about staying with the Saints.
The Dutchman signed a three-year contract when he took over as Southampton manager in June 2014.
Koeman has recently been linked with a return to Barcelona as coach.
“Next year? I’m really, really confident he will still be manager,” said Krueger.
“Beyond that, those are the conversations we’re having now and they’re really good. I like where we’re at. We’re in a whole different place than where we were a few years ago.
“It’s a much more mature time for Southampton. For me if I was manager here I would be really excited about being here and the conversations we’re having seem really good.
“The way we are is we want everyone to be sure they can grow in their role at the club. That begins with our most important (person) – Ronald and his role – and as long as that matches, it’s great. We feel good about that right now.”