Italian Style No Mayo Tuna Salad

1 (15-ounce) can cannellini beans, drained and rinsed

1 medium tomato, seeded and diced

1/4 cup chopped kalamata olives

1/4 cup finely chopped red onion

1/4 cup finely chopped celery

2 tablespoons extra virgin olive oil

1 tablespoon capers

1 tablespoon finely chopped parsley

2 teaspoons red wine vinegar

1/2 teaspoon kosher salt

1/4 teaspoon freshly ground black pepper

1/4 teaspoon garlic powder

1/8 teaspoon dried oregano

2 (5-ounce) cans yellowfin tuna packed in olive oil, drained