Dr. Hahn received her PhD degree in Social Welfare in 2007 at Case Western Reserve University in the US. She then moved back to Taiwan, her home country, and became a faculty member of Department of Social Welfare, Chinese Culture University for many years. She is currently an associate professor of Department of Social Work, Shih Chien University at Taipei, Taiwan. Her research interests include social support and substance abuse, gender issues, and nonprofit organization and advocacy function. She has been a member of Social Welfare Association of Taiwan.