Preheat a grill or grill pan on medium heat. Soak the wooden skewers in water.
Place all marinade ingredients in a bowl and mix, let sit 20 minutes.
Skewer the chicken onto the wooden skewers. Grill until all sides have nice grill marks and fully cooked to an internal temperature of 160 degrees using a thermometer, about 8 - 10 minutes. (Alternatively, you can bake the chicken skewers in a 375 degree F oven)
In a bowl mix the yogurt, garlic powder, lemon juice, cilantro, and season with salt and pepper.
Drizzle the pita with a small amount of olive oil. Season with salt and pepper.
Grill the pita for 1 - 2 minutes per side. Cut into quarters.
Serve the chicken with sauce and pita. Garnish with cilantro.