She works as Medical Director for medical cannabis license holders in 11 different states from Hawaii to Puerto Rico to New York. Sue serves as Site Principal Investigator for the only FDA-approved randomized controlled trial in the world examining safety/efficacy of whole plant marijuana in combat veterans with treatment-resistant post traumatic stress disorder PTSD. Dr. Sisley is on faculty at Colorado State University, recruited for core planning team to organize the CSU "Cannabis Center of Excellence" in Pueblo, Colorado. Dr. Sisley has been a Member of Nevada ILAC Medical Cannabis Commission for the past two years outlining regulations for laboratory testing including limits on pesticides, residual solvents and other guidelines that are currently being used as a model for other states medical cannabis laws.