Chang, whose birth record states January 31, 1954, has attained the age of seventy-one years. The individual in question has been identified as residing at 788 Loyola Dr, Los Altos, CA 94024, USA. Yao-eng Chang has moved multiple times, with seven past residences. This person's living history includes stays at: 79 Bettencourt Way, Milpitas, CA 95035, 2240 Homestead Ct #314, Los Altos, CA 94024, and 4989 Rocky Rd, Richmond. Packages for Yao-eng 1997 Chang were sent to Po Box 3337, Los Altos, CA 94024-0337. This postal box was not used after 2009, according to public data. Some data suggests that Chang Yao-Eng and John Leong (age seventy-seven year old) are married. Email messages for the aforementioned person should be sent to either [email protected] or [email protected]. The subject, Mervyn E Chapman (in 2000), and John Leong (between 1998 and 2001) shared an address at 505 Cypress Point Dr, Mountain View, CA 94043. The address is home to several occupants, including Diane Aldahl, Mr. Aldahl, Raymond Bahar