Ari Mandelbaum possesses expertise in tax, corporate tax, tax research, microsoft excel, partnership taxation and 16 more skills. Colleagues describe them as "Ari is a diligent, conscientious, and hard-working employee. In his role as an intern in our floor operations department at the New York Mercantile Exchange, he demonstrated a maturity, thoughtfulness, nd sense of responsibility well beyond his years. He was always happy to take the initiative and met requests from the traders with enthusiasm."