2006 Korean Society of Obesity Research Physicians, micro liposuction presentation 2007 Korean Society of Obstetricians and Gynecologists, tumescent liposuction 2007 Korean Society of Obesity Research Physicians, liposuction principle presentation 2008 Korean Society of Aesthetic Plastic Surgery, two-dac liposuction presentation 2008 Korean Society of Obesity Research Physicians , Presentation of large-capacity liposuction 2009 Im Doctor Medical Information Fair, Abdominal Liposuction Presentation 2009 Im Doctor Medical Information Fair, Thigh Liposuction Presentation 2009 Korea Aesthetic Plastic Forum, Breast reduction liposuction presentation 2009 Jo-Woo Jeong Asian Aesthetic Surgery Society, Large Capacity Liposuction Presentation 2009 Liposuction AZ Workshop Conference, Large-capacity Liposuction Presentation 2009 Im Doctor Medical Information Fair Conference, Liposuction Anesthesia, Equipment, and Technique Presentation 2009 Schiffman Original Original Liposuction Principles and Techniques Translation Co-author 2011 Cosmetex ineternational conference in Hobart, Australia, Liposuction Presentation on the relationship between liposuction and bleeding 2011 Publication of a thesis on the relationship between liposuction and bleeding 2012 Presentation of liposuction technique for obese and large-capacity patients at the Korean Society for the Treatment of Obesity