Mathieu Darche has a lot of decisions to make as the Islanders’ new general manager/executive vice president. He may have already made the most important one.

The 48-year-old former NHL forward, who spent the previous six seasons — including two Stanley Cups — with the Lightning, takes control of the team’s hockey operations department from Lou Lamoriello.

Islanders Assistant Coaches John MacLean and Tommy Albelin, as well as Bridgeport coaching staff, will not return