Santa Monica Gateway, Santa Monica, CA. 2016-2018 Carstens acted as executive Architect and incorporated re-design and coordination for an abundance of project re-imagining during construction administration phase for the $100 million, 192,000 sf, Santa Monica Gateway creative office project.. The LEED Silver complex consists of two unique four-story office buildings with shared plinth site amenities above the 640-space sub-terrainian parking structure. Tenants include Starz Network and GOOP.