Andrea Cheung is a Music Teacher at Sunnyvale School District. She possess expertise in pki, digital signatures, mac os x. Colleagues describe her as "I currently work with Andrea at Adobe. Although I have only known her briefly, I have found her to be very competent and motivated." and "I worked with Andrea most of my stint at ValiCert. I have always found her to be knowledgable, sharp, professional and an excellent team player. She will be an asset to any organization."