I started working in 1988 as a assisting Derector of engineering . to 1991, move to the Carlisle in San Francisco to year 1997 as a Building Manager, and ahousekeeping supervisor in the same time, to year 1997 and was asked to work in San Francisco Towers since then to year 2004 as a Diredtor of engineering,and a fire safety Director, Was hired as a Derector of Engineering until now in Brookdale Senior Livingcommunity in Redwood City .