After graduation from Fordham University, Jim worked for the international accounting firm of KPMG, LLP, for six years. In November 1987, Jim Letterio merged his family accounting practice in Beacon, NY with that of Jim Sedore and Mark O’Sullivan in order to form Sedore, O’Sullivan & Letterio, CPAs, P.C. By the year 2001, the firm became known as Sedore & Company, C.P.A.s, P.C., and had grown to include five shareholders, serving the counties of Dutchess, Putnam, Orange, Westchester, and Ulster. Now, Sedore has joined with two other respected Firms to form RBT CPAs, LLP.

Jim’s responsibilities continue in the areas of accounting, auditing and tax, including municipal and nonprofit clients. He was also responsible for performing business valuations for which the Firm had been retained.