Michael Angelo Costa is a lawyer, investment banker, and bestselling author who has more than 33 years of international business experience. He has held senior executive positions ...ver maisMichael Angelo Costa is a lawyer, investment banker, and bestselling author who has more than 33 years of international business experience. He has held senior executive positions with two of the largest global investment banks and was a partner at one of the world's largest advisory firms.He now spends his time speaking, coaching, and consulting with companies and others on the best ways to maximize their decision making.ver menos