Preheat your grill to medium-high heat.
Season the chicken breasts with salt, pepper, and cumin.
Grill the chicken for about 6-7 minutes on each side until fully cooked.
Remove chicken from the grill and let it rest for a few minutes.
Chop the romaine lettuce and place it in a large bowl.
Add the halved cherry tomatoes, cooked corn, and rinsed black beans to the bowl.
Slice the grilled chicken and add it on top of the salad.
Prepare the dressing by whisking together lime juice, olive oil, salt, and pepper.
Drizzle the dressing over the salad and toss gently to combine.
Serve the salad topped with avocado slices and chopped cilantro.