Place chicken in a zip lock bag with teriyaki sauce and place in refrigerator for 4-6 hours.
Place marinaded chicken on a trivet and marinade in instant pot with 1 cup of water.
Pressure cook on high for 7 minutes. Make sure chicken is fully cooked.
Manually release pressure and top each piece of chicken with 2 slices of cheese.
Place chicken on a bun, top with 2 slices of pineapple, a slice of tomato, and shredded lettuce. Spread 1 tablespoon of mayonnaise or more to liking on the top bun and then place top bun on the burger.