1999 ~ 2004

Central Research Facilities, CNU

Research and Managing Committee

2001 ~ 2003

Institute of Environmental Sciences and Technology

Director

2006 ~ 2007

Institute of Environment and Biosystem, CNU

Director

2007 ~ present

Dean

School of Biosciences and Biotechnology, CNU

1997 ~ 1998

Korean Journal of Botany

Editorial Board

1997 ~ 1998

Korean Journal of Limnology

Managing Editor

1999 ~ 2001

International Phycological Society

Executive committee

1999 ~ 2000

Phycological Research, Japan

Associate Editor

1999 ~ 2000

Korean Journal of Environmental Biology

Editor-in-Chief

2005 ~ 2007

Korean Society of Phycology

President

1986

KOSEF, post doctorial grant, University of Oslo, N

1995

LG Yonam Foundation Grant, Bamfield Marine Station

Society of Systematic Biologists

Phycological Society of America

Korean Society of Phycology

Japanese Society of Phycology

International Phycological Society

International Biogeography Society

International Association of Plant Taxonomy