2019.09-2022.08 : Vice Chairperson of the 2nd Board of Specialty Committee of Medicinal Resources Utilization and Consservation of World Federation of Chinese Medicine Societies

2011.10-2014.09 : Associate editor, Acta Physiologiae Plantarum, Springer

2010.05-2011.04 : 한국원예학회 회장

2010.01 : International Scientific Committee Member of 1st International Orchid Sym. (Taichung, Taiwan)

2009.06-2010.04 : 차기한국원예학회 회장

2009- :Editorial Board Member of propagation of ornamental plant(sejani)

2008.08 : International Advisory Committee Member. 6th International Sym. On In Vitro Culture and Horticultural Breeding, Australia

2008.05- : Editorial Board Member of Process Biochemistry, Elsevier

2007.04-2010.01 : Editorial Board Member of Plant Biotechnology Report, Springer

2007.01-2010.02 : Editorial Board Member of Journal of Environmental and Experimental Botany(Elsevier)

2005.08 : Convenor, 27th International Horticultural Congress, Biotechnology

2005-2006 : 한국원예학회 부회장

2004 : 한국육종학회 상임이사

2004 : 한국식물생명공학회 상임이사

2003 : 한국식물학회 상임이사

2003 : 한국원예학회 상임이사

2003 : 한국식물생명공학회 회장

2002 : 한국식물생명공학회 차기회장

2001-2005 : 한국약용작물학회 부회장

1999-2001 : 한국식물조직배양학회 부회장

1992-1988 : 한국원예학회 편집위원

1990-1998 : 한국식물조직배양학회 편집위원