Board Members

Mary O

Mary Ohman is married and has two adult children and four grandchildren. Her family was personally introduced to the term Traumatic Brain Injury in 2003. She became involved with the Brain Injury Alliance of South Dakota shortly thereafter, because she wanted to become an advocate for individuals who have sustained a TBI. Mary states, “I am not a doctor, social worker, or therapist, but I am a mom. It is my intention to bring a personal perspective to the BIASD.” Mary is the current President of the BIASD.





Glenn Schumacher graduated from Goshen College (Indiana) in 2006. Glenn earned B.A. degrees in Sociology/Anthropology and Art. A near-drowning canoe accident in 2009 led to over one year of hospitalization for an anoxic brain injury. Currently, Glenn is working part-time at South Dakota State University in the Department of Agronomy, Horticulture, and Plant Science. Glenn is involved with the Brookings area Brain Injury Support Group. Glenn is the current Vice President of the BIASD.





Karen Brokenleg lost her father as a result of a severe brain injury he sustained in a motor vehicle crash in 1965. Karen began working with individuals who sustained brain injuries in 1987 while working at Sioux Valley Hospital (now Sanford Hospital) in Sioux Falls. She and a neurology nurse began the Sioux Falls Area Brain Injury Support Group. Karen was on the Board for the Rocky Mountain Regional Brain Injury Center from 1989 to 1991. Karen is the current Treasurer of the BIASD.





Koral Olson is a Licensed Professional Counselor, National Certified Counselor, and Certified Brain Injury Specialist, working in private practice in Rapid City. She holds a M.S. in Counseling and Human Resource Development from South Dakota State University. Koral is the current Secretary of the BIASD.




Justine Ashokar is the Director of Clinical Services at The Brain Injury Rehabilitation Center at Black Hills Works in Rapid City. She holds a Ph.D. in Clinical Psychology, with an emphasis in Neuropsychology. Justine is also a Certified Brain Injury Specialist. She has experience serving veterans, people with developmental disabilities, and people with brain injuries. Justine is working with legislators to improve services for those with brain injuries in South Dakota. She is part of the Center for Disabilities’ Brain Injury Work Group, which is working towards improving education for survivors and caregivers and bridging gaps in brain injury services in South Dakota. Justine is the Co-President of American Association of University Women, which advances equity for women and girls through advocacy, education, philanthropy and research. Justine is a Board member of the BIASD.


Mary T


Mary Tommeraasen is an Employment Skills Supervisor at SD Vocational Resources, SD Rehabilitation Center for the Blind. Mary is a Certified Brain Injury Specialist and a co-facilitator of the Sioux Falls Area Brain Injury Support Group. Mary is also a member of the Center for Disabilities’ Large Work Group for Brain Injury. Mary is a Board member of the BIASD.




DeniseDenise Johnson takes pleasure in knowing that what she does makes a difference in people’s lives, and she has over 20 years of experience in the social services field to show for that. Denise attended South Dakota State University and holds a B.A. with a major in Sociology and minor in Psychology. She has been a Certified Brain Injury Specialist for 12 years, and she has worked for 15 years with individuals who have sustained brain injuries. Denise lived in Minneapolis, MN for six years, and it was there that she was able to obtain experience and knowledge in the brain injury field. Denise is currently employed by LifeScape in Sioux Falls, where she has been the Coordinator of Support and Services for nine years; supervising the brain injury residential and day service programs. She is also part of the Center for Disabilities’ Brain Injury Work Group, where work is being done to bridge gaps in brain injury services in South Dakota. Denise finds working with people who have sustained a brain injury and their support team to be very challenging and yet extremely rewarding. Denise is a Board member of the BIASD.


DorisDoris Schumacher holds a B.A. in Elementary Education and M.A. in Learning Disabilities. She taught for 25 years, with 23 years being in the field of special education. At the end of her career, her 24 year-old son sustained an acquired brain injury due to near drowning. For the last six years, Doris and her husband have been his caregivers. Doris co-chairs the Brain Injury Support Group in Brookings. Doris is a Board member of the BIASD.

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