Preheat oven to 350°F (175°C).

In a skillet, heat olive oil over medium heat. Sauté garlic until fragrant, then add spinach and cook until wilted.

In a large bowl, combine chicken, sautéed spinach and garlic, artichokes, Greek yogurt, cream cheese, mozzarella, Parmesan, salt, and pepper. Mix well.

Transfer mixture to a greased 9x13 inch baking dish and spread evenly.

Bake for 25-30 minutes until golden brown and bubbly.

Let cool for 5-10 minutes before serving.