The Amsterdam outfit will welcome the popular defender back to the club next season and he will join the likes of Edwin van der Sar, Marc Overmars, Dennis Bergkamp and coach Frank de Boer on the pay-roll.
Sir Alex Ferguson has always insisted that Ryan Giggs and Paul Scholes are obvious contenders to remain at United in a coaching capacity following his retirement while Nicky Butt, Brian McClair and Mike Phelan are others who have current roles at Carrington.
Stam, who is competing in the Red Heart United Legends game at Old Trafford on 2 June, confirmed he is leaving FC Zwolle for Ajax and explained the ethos being promoted at the Amsterdam ArenA.
"I'm going to Ajax," he told ManUtd.com. "Lots of players say that they don't want to move into management. When I was still playing, I always said I don't want to become a coach as it puts lots of stress on you and you have to work very, very hard.
"You don't only have to look at only one player, you have to think of all the players, the opponents and everything that comes with it. It's very hard.
"When I stopped playing football, the first year after that, I didn't do anything but the club I'm working for now [FC Zwolle], my first professional club as well, asked me to help them out. When I was on the pitch again, it kind of grew on me and it gave me a good feeling. Helping out the lads on the pitch with advice made it easier for them and it gives you a good feeling so you're growing into it. Before you know it, you're working on yourself