2018.11 - Present

President, Korean Society of Animal Breeding and Genetics

2018.06 - Present

Editorial Board, Journal of Reproduction and Development (Japan)

2016.10 - Present

Editorial Board, AIMS Cell and Tissue Engineering

2016.01 - Present

Editorial Board, Korean Society of Cnacer Prevention

2015.05 - Present

Committee, National Research Foundation of Korea, Journal Development Committee, WoS Journal Recommendation Committee

2014.07 - Present

Editorial Board, PLOS ONE (Public Library of Science)

2014.05 - Present

Editorial Board, Journal of Animal Science and Biotechnology (China)

2014.03 - Present

Editorial Board, Scientific Reports (Nature publishing Group)

2012.01 - 2012.05

Organizing Committee, Seoul National University Cancer Research Institute (CRI) Symposium

2011.11 - Present

Member, The Korean Academy of Science and Technology

2010.11 - Present

Delegate, Agricultural and Fishery Sciences Division, Korean Society for Molecular and Cellular Biology

2011.11 - 2014.12

President, 10thAsiaPacificPoultryCongress(APPC)

2011.11 - 2013.11

President. Korean Society of Poultry Science

2011.11 - Present

Senior Vice-President. Asia Pacific Federation, World’s Poultry Science Association

2011.07 - 2012.10

Issue Editor, Annals of the New York Academy of Sciences (Volume. 1229, 1271)

2010.01 - Present

International Scientific Committee, The International Society on Avian Endocrinology

2009.01 - 2011.12

Editor in Chief, Korean Society of Animal Sciences and Technology

2009.01 - 2010.12

Scientific Committee, Animal Genomics for Animal Health International Symposium (FRANCE)

2009.11 - 2012.03

Co-organizing Chair, NAPA 2009, 2011, 2012 (Nutrition and Physical Activity in Aging, Obesity, and Cancer) International Symposium

2008.11 - 2010.11

Committee member, Horse Industry promotion Division, Korea Racing Authority

2008.01 - Present

Editorial Advisory Board, The Open Reproduction Science Journal

2008.01 - Present

Council member, World’s Poultry Science Association

2008.01 - Present

Special Advisory Board, Journal of Poultry Science (Japan)

2007.01 - 2008.12

Chair of Scientific Committee, Korean Society of Animal Sciences and Technology

2005.01 - 2011.10

Vice President, Korean Society of Poultry Science

2002.01 - 2004.12

Chair, Center for Poultry Research, BioGreen 21 Program, Rural Development Administration

1999.01 - 2011.10

Korea Branch Secretary, World Poultry Science Association

1999.01 - 2011.10

Chair of Scientific Committee, Executive Director, Chair of International Cooperation, Korean Society of Poultry Science

1999.01 - Present

Editor, Korean Society of Animal Science and Technology

1996.01 - 1999.12

Secretary General, Editor, Korean Society of Animal Genetics and Breeding

1994.01 - 2000.12

Editor, Korean Journal of Animal Reproduction

1994.01 - 2004.12

Board of Directors, Korean Society of Animal Sciences and Technology

1991.01 - Present

Editorial Board, Assistant Editor, Asian-Australasian Journal of Animal Science