Douglas Borthwick has been with CSH since its inception in 1982 and has been directing projects since that time. He has extensively studied site types and usage and is frequently consulted by other staff for his expertise at site interpretation. Mr. Borthwick is fully versed in Federal and Hawai‘i State regulations governing historic preservation. Mr. Borthwick’s experience is diverse, ranging from small, short term projects such as background research reports used in construction planning, to large, long term projects such as inventory surveys, data recovery and monitoring of infrastructure work on long term projects.