• North Dakota State University, M.S., child development and family relations, 1974
• University of Illinois, B.S., occupational therapy, 1954

• Neuro-Developmental Treatment (NDT) of cerebral palsy, Pediatric 8-week course: London, England, 1977

• Neuro-Developmental Treatment (NDT) of the Baby, 3-week course: New York, NY, 1981

• Erhardt Developmental Products, Maplewood, MN, owner, 1989-current

• Private Pediatric Practice, Maplewood, MN, 1978-current

• Camp Avanti, Hudson, WI, coordinator, 1995-2006

• Easter Seal Mobile Therapy Unit, Fargo, ND, director, 1967-1978

• Moorhead State University, MN, Departments of Special Education and Multi-Disciplinary Studies adjunct instructor, 1971-1981

• North Dakota State University, Fargo, ND, Division of Health, Physical Education, Recreation and Athletics, lecturer in anatomy, 1979

• National Jewish Hospital, Denver, CO, chief, pediatric therapy, 1956

• Brooke Army Hospital, Fort Sam Houston, San Antonio, TX, chief occupational therapist of the Burn Center, First Lieutenant, Women's Medical Specialists Corps, United States Army, 1954-1956

• Certificate of Appreciation Award, Minnesota Occupational Therapy Association, 2006

• Excellence in Public Access Television Award, "Emerging and Mature Hand Preferences", Suburban Community Channels, 2001 [video]

• The World Who's Who of Women, 1994, 1995

• Certificate of Appreciation for Distinguished Service to the Profession, American Occupational Therapy Association, 1993

• Sage Award, "Normal Hand Development: Birth to 15 Months", American Academy for Cerebral Palsy and Developmental Medicine, 1984 [video]

• Roster of Fellows, American Occupational Therapy Association, 1983.