Dr. Sean Lin served in the U.S. Army for 9 years. He was first enlisted as a soldier and then was commissioned as a U.S. Army officer with the specialty as a microbiologist.He was deployed to the Middle East to support Operation Enduring Freedom and his last military post was at the Walter Reed Army Institute of Research.During the COVID-19 outbreak, Dr. Lin was one of the first microbiologists to investigate the origin of the virus, suggesting the possibility of a lab leak in Wuhan.Currently, he is an assistant professor at the Biomedical Science Department at Fei Tian College Middletown and is a member of the CCP Biothreats Initiative. As a naturalized immigrant and human rights activist, today Dr. Lin will share his appreciation of freedom and traditional values in the U.S., as well as the significance to safeguard America's national security against the threats from communist China.