A certified public accountant who manages his own CPA practice, John F. Mahoney is also an adjunct associate professor at New York University. He has served as controller and vice president of finance for various manufacturing, wholesale, and transportation companies, and helped in the preparation of the financial statements and tax returns of the Empire State Building. Professor Mahoney's course on financial statement analysis was featured in an article on page one in the Wall Street Journal, and he has also appeared on Good Day New York.