Dr. Ke Ma is an associate Professor, and work at Institute of Law of Chinese Academy of Social Science, a top research institute of China. His researches are about criminology, criminal justice, evidence law, and human rights law. He was once a Barrister in a law firm and an assistant judge in a provincial supreme court, and had an internship experience with police work. And he has an experience abroad as an Edwards Fellowship in Columbia University in the city of New York for an academic year.