Meet the
team

Dr. Xueli Gao
PH.D. Dabt Toxicologist
Dr. Gao joined ACS in 2015 and serves as toxicologist. Dr. Gao earned her Ph.D. in Environmental Toxicology at Southern University. Dr. Gao has previous experience as a postdoctoral fellow at the Department of Ophthalmology at West Virginia University.
Dr. Gao has an extensive research background and has authored or co-authored five publications in peer-reviewed journals.

Roger Brown
President
A pioneer in the cannabis testing space, Roger Brown co-founded the first cannabis testing laboratory in Florida ― ACS Laboratory ― in 2008. Today, ACS is the largest cannabis and CBD/hemp third-party testing and compliance laboratory in the Eastern U.S. Utilizing its vast experience in high complexity laboratory tests, ACS developed proprietary testing methods for cannabis, hemp and all derivatives.


Dr. Xueli Gao
PH.D. Dabt Toxicologist
Dr. Gao joined ACS in 2015 and serves as toxicologist. Dr. Gao earned her Ph.D. in Environmental Toxicology at Southern University. Dr. Gao has previous experience as a postdoctoral fellow at the Department of Ophthalmology at West Virginia University.
