Preheat oven to 375 degrees. Skin chicken and dry on paper towels. In large skillet over medium-high heat, saute chicken breasts with olive oil for 2 minutes on each side. Cut 4 pieces of parchment paper into 18 x 15 inch sheets and fold in half. Unfold paper and place the sauteed chicken breasts on one side of the sheet next to the fold. Spread each chicken breast with pesto and top with sliced olives. Fold and tightly seal the paper. Place packets on a baking sheet and bake for 30 minutes. Put packets on plates and open at the table. 4 servings.