Have an attendance code? Sign In to enter it. This live web event has ended. Thank you for attending. Contributors Jim DeStefano, P.E., S.E., AIA, F.SEI Jim DeStefano, P.E., AIA, F.SEI is a structural engineer and architect with DeStefano & Chamberlain, Inc. located in Fairfield, CT. He has over 40 years of experience designing timber structures. Jim is a founder of the Timber Frame Engineering Council (TFEC), a former director of NCSEA, and the past-past-past chairman of the Structure Magazine editorial board.