- Emeritus Professor of Mayo Medical School & Mayo Graduate School of Medicine
- President of International Society of Dermatopathology 1994-1997, Secretary-General of same society 1991-1994
- Recipient of Founders’ Medal, the highest Medal Award of Honouring Contributions, by International Society of Dermatopathology
- Chairman of Membership Committee, International Society of Dermatology, 1990-2000, Honorary Chairman 2001-2009
- Director of American Board of Dermatology 1997-1998, Received Certificate of Appreciation for Contributions by Am Board of Dermatology 2001