Seth Niessen

Controller

Seth Niessen

Seth ensures peak business performances with a commitment to operational excellence. With more than a decade of experience at G&S, Seth has established successful systems for internal controls, agency budgeting, forecasting and reporting, tax planning and IT. In his role, Seth works closely with clients to assist them in the management of their annual program budgets and reporting requirements. He also serves as the day-to-day liaison with the G&S legal, investment and accounting advisors. Seth earned his B.A. in public accounting and M.B.A. from St. John’s University and is a certified public accountant. Seth applies the saying “As in life, chill for best results” to his family and diverse personal interests, among them volunteering with charitable organizations, playing sports and competing in fantasy sports leagues.