Special equipment: 2 wooden skewers, each cut in half
Divide the chicken, olives, tomatoes and cheese into 4 servings. Skewer the ingredients, alternating as desired. Store in the refrigerator until ready to serve.
Combine the yogurt with the pesto in a small bowl, and stir well to combine. Store in the refrigerator until ready to serve with the chicken kebabs.
If packing for a lunchbox, place the kebabs in a reusable storage container, and the dipping sauce in a smaller reusable storage container. Both the kebabs and the dipping sauce may be prepared the night before and stored in the refrigerator until ready to pack for lunch.