Helen Duan

Since 1999, Helen Duan has been working in Gis Data Resources, Inc situated None, None. This person is a competent Owner with over four years of work experience. According to Helen's CV and work profile, this expert has worked at more than three companies with diverse backgrounds and gained different skills. Helen attended school at the Dominican University of California from 1995 to 2001. Helen Duan can be found in San Francisco, California – where this professional currently lives. You can search for this person's email address and phone number. We can also provide you detailed contact information upon request.