Pan-Seared Tuna with Avocado, Soy, Ginger and Lime

2 Handfuls of Fresh Cilantro, Finely Chopped
1/2 Jalapeno, Sliced
1 Teaspoon Grated Fresh Ginger
1 Garlic Clove, Grated
2 Limes, Juiced
2 Tablespoons of Soy Sauce
Pinch of Sugar
Sea Salt and Freshly Ground Black Pepper
1/4 Cup Extra-Virgin Olive Oil
1 (6 ounce) Piece of Sushi Grade Ahi Tuna
1 Ripe Avocado, Sliced