The USGBC/GBCI office is closed from Dec. 25, 2025, to Jan 4, 2026, and will reopen on Jan. 5, 2026.
Due to planned maintenance, sitesonline.usgbc.org will be unavailable for service on December 16th Tuesday, from 09:00pm ET until 11:00 p.m. ET. Please visit the Help Center if you have questions. If you need to meet a credential renewal deadline, submit an inquiry, and our team will assist you.
Di
Liu
Credentials
California Registered Landscape Architect, LEED Green Associate, SITES AP
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