Have an attendance code? Sign In to enter it. This live web event has ended. Thank you for attending. Contributors Gwenyth R. Searer, P.E., S.E. Gwenyth Searer is a Principal at Wiss, Janney, Elstner Associates, Inc. She is a licensed structural engineer who specializes in existing buildings. She serves on several state and national committees including the SEAOC PV Committee.