01 - In a bowl, combine olive oil, lemon juice, garlic, oregano, cumin, salt, and pepper. Add the chicken, toss to coat, cover, and refrigerate for at least 15 minutes, up to 2 hours for deeper flavor penetration.
02 - Rinse the rice under cold water until water runs clear. In a saucepan, combine rice, water, and salt. Bring to a boil, then reduce heat to low, cover, and simmer for 15 minutes until rice is tender and liquid is absorbed. Fluff with a fork.
03 - In a small bowl, whisk together Greek yogurt, lemon juice, olive oil, minced garlic, chopped dill, salt, and pepper until smooth. Refrigerate until ready to serve.
04 - Heat a grill pan or skillet over medium-high heat. Remove chicken from marinade and cook for 5-6 minutes per side, or until internal temperature reaches 165°F and exterior is golden brown. Let rest for 5 minutes before slicing.
05 - Divide cooked rice among 4 serving bowls. Arrange sliced chicken on top, then add cherry tomatoes, cucumber, red onion, Kalamata olives, and crumbled feta. Drizzle with yogurt sauce and garnish with fresh parsley.
06 - Serve immediately while chicken is warm and vegetables are crisp.