Facial Nerve Anatomy and Blepharoplasty in the Oriental Eye; INSTRUCTION COURSE 14th Annual Scientific Meeting, American Academy of Cosmetic Surgery, New Orleans, Louisiana, January 31, 1998 En Bloc Face Lift Procedure. 15th International Congress for Aesthetic Surgery, The French Society of Aesthetic Surgery, Paris, France 1998 Alloderm Grafting and Implantation in Facial Cosmetic Surgery. World Congress and Workship on Minimally Invasive Facial Cosmetic Surgery, Kansas City, Missouri, American Academy of Cosmetic Surgery, May 1-4, 1998 Preoperative Facial Nerve Mapping in Face Lift. 7th International Symposium of Facial Plastic and Reconstructive Surgery, Orlando, Florida, June 16-20, 1998 Pretarsal Orbicularia Oculi Muscle-Levator Aponeurosis Fixation (Orbicularis-Levator Fixation) Double Eyelid Operation in the Asian Eyelid. 1998 Fall Meeting, American Academy of Facial Plastic and Reconstructive Surgery, San Antonio, Texas, September 10, 1998 En Bloc Face Lift Procedure. Poster Presentation, 1998 Fall Meeting, American Academy of Facial Plastic and Reconstructive Surgery, San Antonio, Texas, September 10-12, 1998 En Bloc Face Lift Procedure. 15th Annual Scientific Meeting, American Academy of Cosmetic Surgery, Los Angeles, California, January 28-31, 1999 Preoperative Percutaneous Facial Nerve Mapping. By INVITATION 6th Winter Symposium, Latest Advance in Facial Plastic Surgery, American Academy of Facial Plastic and Reconstructive Surgery, Snowbird, Utah, February 14-18, 1999 Pretarsal Orbicularis Oculi Muscle - Levator Aponeurosis Fixation. GUEST SPEAKER Annual Spring Meeting, Korean Society of Otolaryngology, Kyung Ju, Korea, April 26-May 1, 1999 Preoperative Percutaneous Cranial Nerve Mapping GUEST SPEAKER Annual Spring Meeting, Korean Society of Otolaryngology, Kyung Ju, Korea, April 26-May 1, 1999 Correction of the Pinched Nose: Flying Eagle Lateral Cruroplasty 16th International Congress of Aesthetic Surgery, France Society of Aesthetic Surgery, Paris, France, May 28-30, 1999 Cosmetic Surgery For The Asian INSTRUCTION COURSE American Academy of Cosmetic Surgery, 15th Anniversary Meeting; Orlando, Florida, January 27-30, 2000 Modified Z-Epicanthoplasty in Asian Eyelid: By INVITATION Asian Academy of Cosmetic Surgery, 1st World Congress on Cosmetic Surgery with Live Surgical Demonstration Manila, Phillippines, February 25-27,2000 Orbicularis Levator Fixation in Double eyelid operation. SURGICAL INVITATION Asian Academy of Cosmetic Surgery, 1st World Congress on Cosmetic Surgery with Live Surgical Demonstration Manila, Phillippines, February 25-27,2000 Double Eyelid Operation for the Asian Patient. By INVITATION American Academy of Facial Plastic & Reconstructive Surgery 7th Annual Winter Symposium, Latest Advance in Facial Plastic Surgery, Vail, Colorado, March 26-30, 2000 Levator Plication, Imbrication and Advancement in Cosmetic and Reconstructive Blepharoplasty. By INVITATION American Academy of Facial Plastic & Reconstructive Surgery 7th Annual Winter Symposium, Latest Advance in Facial Plastic Surgery, Vail, Colorado, March 26-30, 2000 Lateral Cruroplasty: A Correction of the Collapsed Nasal Valve. American Academy of Facial Plastic & Reconstructive Surgery Spring Meeting, Orlando, Florida, May 14, 2000 En Bloc Face Lift Procedure. By INVITATION 2000 Wind Star Cruise, American Academy of Cosmetic Surgery, Rome, Nice, July 16-21, 2000 Treatment of the Asian Eyelid and Epicanthal Folds. By INVITATION Facial Plastic Surgery, 2000, Indiana University Medical School, Department of Otolaryngology-Head & Neck Surgery, Indiana polis, Indiana, December 1-2, 2000 Controversies in Facelifting; En Bloc Facelift: "A New Concept". PANEL DISCUSION/By INVITATION Facial Plastic Surgery, 2000, IU School of Medicine, Department of Otolaryngology-Head & Neck Surgery, University Place Conference Center & Hotel, Indianapolis, Indiana, December 1-2, 2000 Mandibular Angle Ostectomy. American Academy of Cosmetic Surgery; 17th Annual Scientific Meeting; San Diego, California, February 8-11, 2001 Facial Nerve Mapping. IX International Facial Nerve Symposium School of Medicine, University of California in San Francisco, July 30, 2001 Anatomy of The Corrugator Supercilli Muscle - Its Multihead Bony Origin. American Academy of Facial Plastic & Reconstructive Surgery: Fall Meeting, Denver, Colorado, September 6, 2001 How to Develop Facial Plastic Surgery GUEST SPEAKER/INSTRUCTION COURSE The 75th Congress of Korean Society of Otolaryngology & Joint Meeting with Korean-American Otolaryngology Society, Seoul, Korea, October 12-14, 2001 Anatomy of the Corrugator Muscle By INVITATION Facial plastic Surgery 2001, Indiana University Medical School, Department of Otolaryngology-Head & Neck Surgery, Indianapolis, Indiana, November 30-December 1, 2001 En Bloc Facelift; By INVITATION Facial Plastic Surgery, 2001. Indiana University School of Medicine Department of Otolaryngology- Head & Neck Surgery, Indianapolis, Indiana, November 30-December 1, 2001 Anatomy of the Corrugator Supercilli Muscle - Its Multihead Bony Origin. 18th Annual Scientific Meeting: American Academy of Cosmetic Surgery, Fort Lauderdale, Florida, January 31- February 3, 2002 Asian Cosmetic Surgery INSTRUCTION COURSE 18th Annual Scientific Meeting: American Academy of Cosmetic Surgery, Fort Lauderdale, Florida, January 31-February 3, 2002 Anatomy of the Corrugator Supercilli Muscle: Its Mulihead Bone Origin. 19th International Congress of French Society of Aesthetic Surgery, Paris, France, May 31, -June 4, 2002 Mandibular Angle Osteotomy Guided by Mandibulogram. American Academy of Facial Plastic and Reconstructive Surgery, Annual fall meeting ,San Diego, CA, September 19-21, 2002