Dr. Tweten was performing different roles for AAMGI, including Member of the Board of Directors, Chief Information Officer, Office of Secretary for AAMGI.
- Petaluma Valley Hospital, Providence
- Stanford University, Stanford, California
- Tulane University School of Medicine, New Orleans, Luisiana
- NorthWest University, Evanston, Illinois
- University of Minnesota Hospitals and Clinics, Minneapolis, Minnesota