Sylvia is the Senior Editor with the Erowid Center where she has reviewed and published over 20,000 experience reports written about hundreds of different psychoactive plants, chemicals, and technologies, by people from all walks of life. These reports are published at erowid.org.

Her work has focused on raising awareness of how the language used to describe psychoactive drugs and experiences can deeply affect the thoughts and actions of others, with a significant impact on individual and societal understandings of drug use, misuse, and abuse.

Sylvia's past professional affiliations include leadership at the Multidisciplinary Association for Psychedelic Studies where she was one of its first staff members, the Center for Educational Research + Development, KPNW Hospice Care Volunteer Program, and DanceSafe.