Dean, College of Socail Science, Jeonbuk National University, South Korea. Professor, Dept. of Social Welfare, Jeonbuk National University, South Korea. President, Korean Addiction Forum. Committee member, National Gambling Control Commision, South Korea. Committee member, International Education Quality Assurance System(IEQAS), Ministry of Education, South Korea. ex-President, Korean Association for Psychosocial Rehabilitation(KAPR), South Korea. ex-Vice president for International Cooperation, Jeobuk National University, South Korea. ex-President, Korean Association of Social Work Practice & Research, South Korea. ex-President, Korean Academy of Mental Health Social Work, South Korea. ex-Committee member, Mental Health Service Committee, Ministry of Health & Welfare, South Korea