- 2014 - 2030
MemberMayo Clinic in Rochester
- 1999 - present
MemberAmerican Society for Gastrointestinal Endoscopy
- 1999 - present
MemberAmerican College of Gastroenterology
- 1996 - 1998
MemberBoard of Directors, Burns Clinic Medical Center
- 1996 - 1998
ChairBurns Clinic Foundation, Burns Clinic Medical Center
- 1996 - 1998
MemberBurns Clinic Foundation, Burns Clinic Medical Center
- 1993 - 2000
MemberBockus International Gastroenterology Society
- 1993
FellowAmerican College of Physicians
- 1988 - 1998
MemberMichigan State Medical Society
- 1988 - 1998
MemberNorthern Michigan Medical Society
- 1986 - present
MemberAmerican Medical Association
- 1986 - present
MemberAmerican Gastroenterological Association
- 1984 - present
MemberAmerican College of Physicians