Dean Koga served as BCA's Director of Technical Services from 1994-2016. Dean continues to work on special projects at BCA. With over 25 years of experience analyzing, documenting, and restoring historic buildings, and a background that includes conservation, architecture, and chemistry, Mr. Koga is uniquely qualified to provide innovative solutions to challenging restoration problems. Mr. Koga is a registered architect in New York, New Jersey, and Pennsylvania and served as the President of The Association for Preservation Technology International from 2015-2017. He currently serves as co-chair of the Building Technology Heritage Library of APTI.