- 2017 - present
DirectorMayo Clinic Symposium on Regenerative Medicine and Surgery
- 2010
ChairInternational Federation of Head and Neck Oncologic Societies
- 2008 - 2009
Vice PresidentTriological Society
- 2002
Guest ExaminerAmerican Board of Otolaryngology
- 1998
Guest ExaminerAmerican Board of Otolaryngology
- 1997 - present
MemberAudit Committee, American Academy of Otolaryngology - Head and Neck Surgery
- 1995 - 1999
MemberMicrovascular and Reconstructive Surgery Committee, American Academy of Facial Plastic and Reconstructive Surgery
- 1995 - present
MemberMicrovascular and Reconstructive Surgery Committee, American Academy of Otolaryngology - Head and Neck Surgery
- 1994
Guest ExaminerAmerican Board of Otolaryngology
- 1989 - 1996
ChairOtolaryngologic Pathology Committee, American Academy of Otolaryngology - Head and Neck Surgery
- 1989 - 1996
MemberResearch Committee, American Society of Head and Neck Surgeons
- 1989
Guest ExaminerAmerican Board of Otolaryngology
- 1988
Guest ExaminerAmerican Board of Otolaryngology
- 1987 - 1996
MemberSoft Tissue Committee, American Academy of Facial Plastic and Reconstructive Surgery
- 1984 - 1989
MemberResearch Committee, American Academy of Facial Plastic and Reconstructive Surgery
- 1983 - 1989
MemberResearch Committee, American Academy of Otolaryngology - Head and Neck Surgery
-
MemberAmerican Board of Otolaryngology
-
FellowAmerican Academy of Facial Plastic and Reconstructive Surgery
-
FellowAmerican Head and Neck Society
-
FellowTriological Society
-
Founding MemberCanadian Society of Facial Plastic Surgeons
-
MemberInternational Microsurgical Society
-
MemberInternational Craniomaxillofacial Society
-
MemberNorth American Skull Base Surgery Society
-
FellowAmerican Academy of Otolaryngology - Head and Neck Surgery
-
FellowAmerican Society of Head and Neck Surgeons
-
MemberGerman Society of Otorhinolaryngology, Head and Neck Surgery