Preheat the oven to 350F.

Place the brie wheel onto a small cookie sheet or baking pan. Bake for 15 minutes. 

Once the brie has baked, remove from the oven and let sit for 5 minutes to cool slightly. 

While the brie is cooling, Mix the cinnamon, maple syrup, and brown sugar in a small sauce pan and cook over low heat. Stir until the sugar dissolves. Remove from heat and mix in the pecans. 

Place the brie on a plate or stand and pour pecan mixture over the brie. Serve immediately. If you prefer to eat brie without the rind, cut the top off of the brie before topping with the pecan mixture and serving.