Consultant, Veterans Administration Medical Center, Iowa City, Iowa, 1977-79.

Member, Allied Health Staff, Sinai Samaritan Medical Center (Mount Sinai Medical Center), 1979-1994.

Director of Neuropsychology, Sinai Samaritan Medical Center, Milwaukee, Wisconsin, 1979-1991.

Member, Institutional Review Board, Sinai Samaritan Medical Center, Milwaukee, Wisconsin, 1980-present.

Member, Medical Staff, Sinai Samaritan Medical Center, 1994-present.

Consultant, Clement J. Zablocki Veterans Administration Medical Center, Milwaukee, Wisconsin, 1986-present.

Project Director, "Expert System for Diagnosis in Neuropsychology," Research and Development Office, Veterans Administration Regional Office, Honolulu, Hawaii, January-February, 1986.

Co-Principal Investigator, ibidem, March, 1986-1987.

Medical Consultant, United States Social Security Administration, Disabilities Claims Section, 1986-present.

Consulting Neuropsychologist, New Medico Rehabilitation Center of Wisconsin, Waterford, Wisconsin. 1987-1989.

Consultant, New Medico Head Injury System, Lynn, Massachusetts, 1987-1993.

Chairman, Psychology Board, Sinai Samaritan Medical Center, 1988-1994.

Allied Health Associate Staff, Columbia Hospital, 1991-present.