• Au.D., Clinical Doctorate in Audiology, Clinical Audiology, Salus University (previously known as Pennsylvania College of Optometry, School of Audiology) , 2006
• MA, Communication Disorders, Audiology, University of South Dakota, 2002
• BA, Communication Disorders and Psychology, University of South Dakota, 2000

• South Dakota State Licensure, South Dakota Board of Hearing Aid Dispensers and Audiologists
• ASHA Certificate of Clinical Competence in Audiology (CCC-A), American Speech Language Hearing Association (ASHA)

• Leadership Education in Neurodevelopmental and Related Disorders (LEND) Pediatric Audiology Supplement, Maternal and Child Health Bureau, (2016 - 2021)
• College of Arts & Sciences Curriculum Transformation Grant, College of Arts & Sciences Committee on Diversity in the Curriculum, (2015 - 2015)

Citations listed below are presented in a standardized, modified format for display purposes only. They do not necessarily reflect the preferred style and conventions of the faculty member or discipline.

• Martin, Marni M., Bellis, Teri, and Billiet, Cassandra C.. Audiologic Assessment of (C)APD. In Auditory Processing Disorders Assessment, Management, and Treatment Third Edition, editors D. Geffner & D. Ross-Swain. San Diego, CA: Plural Publishing, 2018.
• Johnson, Marni, Billiet, Cassandra C., and Bellis, Teri. Audiologic Assessment of Central Auditory Processing Disorders. In Auditory Processing Disorders: Assessment, Management, and Treatment, editors D. Geffner, D. Swain, 117-140. Iss. 2nd San Diego, CA: Plural Publishing, 2012.
• Johnson, Marni, and Atcherson, Rebecca R.. Clinical report writing. In Auditory electrophysiology: a clinical guide, editors S.R. Atcherson and T.M. Stoody . New York: Thieme Medical , 2012.
• Messersmith, Jessica, Bellis, Teri, and Johnson, Marni. Early Hearing Detection and Intervention Program: Electronic Vital Records and Screening System Assessment. USD Government Research Bureau and South Dakota Department of Health, 2011.
• Johnson, Marni, and Bellis, Teri. Central auditory processing disorders in older listeners, 104-107. Vol. 18, Iss. 4 ENT News, 2009.
• Johnson, Marni, Bellis, Teri, and Billiet, Cassandra C.. Audiological assessment of (C)APD. In Management and Treatment of Auditory Processing Disorders: A Handbook for Speech-Language Pathologists, editors D. Geffner & D. Swain. San Diego, CA: Plural Publishing, 2007.
• Johnson, Marni, and Aylor, Adrian. Functional Hearing Loss. In The Sage Encyclopedia of Human Communication Sciences and Disorders, editors M.J. Ball & J.S. Damico. Thousand Oaks, CA: Sage Publications, Inc.
• Johnson, Marni, and Aylor, Adrian. Speech Audiometry. In The Sage Encyclopedia of Human Communication Sciences and Disorders, editors M.J. Ball & J.S. Damico. Thousand Oaks, CA: Sage Publications, Inc.
• Norris, Debra, Korkow, John, Johnson, Marni, Williams, Mandy, and Merrigan, Mary. Pat; the Veteran Case.

• Blair and Linda Tremere Faculty Service Award, University of South Dakota College of Arts and Sciences, 2017
• Nominee for the Belbas-Larson Award for Excellence in Teaching , University of South Dakota, 2017
• Leadership Development Program in Audiology, American Speech, Language, and Hearing Association (ASHA), 2016
• South Dakota Speech Language Hearing Association (SDSLHA) Honors of the Association , South Dakota Speech Language Hearing Association , 2011
• Pi Beta Phi Faculty of the Month, The University of South Dakota Pi Beta Phi, 2010

• Hanson, Elizabeth, Messersmith, Jessica, Johnson, Marni, Ball, Laura J., Hofer, Jade, and Price, Ashley, Visual Supports Improve Patient-Provider Communication. Presented at the ASHA National Convention, Boston, MA. (November 17, 2018)
• Jorgensen, Lindsey, Messersmith, Jessica, Johnson, Marni, Price, Ashley, Stout, Agelia, and Novak, Michelle, Grand Rounds at University of South Dakota. Presented at the Audiology Online, Online. (October 2018)
• Roush, Jackson, Cienkowski, Kathleen, Ellis, Sarah, Friedman, Sandra , Handlesman, Jaynee, Harris, Anne , Helm, David, Knight, Kristy, Mancl, Lisa, Martin, Marni J., Pillion, Joseph, and Simonsmeier, Vicki, Preparation of LEND Audiology Trainees to Serve Children with Autism and Other Neurodevelopmental Disabilities. Presented at the AUCD Annual Conference, Washington DC. (November 08, 2017)
• Johnson, Marni, Williams, Mandy, Messersmith, Jessica, Balkan, Kara, and Hanson, Elizabeth, USD Grand Rounds: The Value of Collaboration. Presented at the SDSLHA Annual Convention, Sioux Falls, SD. (October 06, 2017)
• Johnson, Marni, Fetal Alcohol Spectrum Disorders, FASD: Invisible Disability. Presented at the USD Center for Disabilities Symposium, Sioux Falls, SD. (September 12, 2017)
• Johnson, Marni, Jorgensen, Lindsey, and Arra, Nick, Knowledge and Beliefs of NCAA Basketball Athletes and Coaches on the Use of FM Systems by Players. Presented at the American Academy of Audiology, Indianapolis, IA. (April 2017)
• Jorgensen, Lindsey, Johnson, Marni, and Lenz, Samantha, Practices, Attitudes, and Knowledge Regarding Hearing Conservation in Current Military Personnel. Presented at the American Academy of Audiology, Indianapolis, IA. (April 2017)
• Martin, Marni J., Cultivating Cultural Competence in AuD Students . Presented at the ASHA Annual Convention, Philadelphia, PA. (November 19, 2016)
• Peasley, Annie, Hanson, Elizabeth, Johnson, Marni, and Kurtz, Eric, Effects of a Visual Schedule with Embedded Video Models in a Specialized App for Children with Probable Autism Spectrum Disorder (ASD) During Medical Appointments. Presented at the ASHA Annual Convention, Philadelphia, PA. (November 19, 2016)
• Johnson, Marni, Hanson, Elizabeth, Brewer, Joel, Bonnichsen, Holly, and Brueggeman, Paul, Healthy Hearing at the Special Olympics: Visual Schedules Improve Patient-Provider Communication. Presented at the ASHA Annual Convention, Philadelphia, PA. (November 19, 2016)
• Johnson, Marni, Hanson, Elizabeth, Brewer, Joel, Bonnichsen, Holly, and Brueggeman, Paul, Healthy Hearing at the Special Olympics: Visual Schedules Improve Patient-Provider Communication. Presented at the Audiology Now!, Phoenix, AZ. (April 13, 2016)
• Bellis, Teri, Barker, Matthew, and Johnson, Marni, Treating CAPD: The When, Who, How, and Why of Dichotic Listening Training. Presented at the ASHA Annual Convention, Denver, CO. (November 13, 2015)
• Johnson, Marni, Williams, Mandy, and Norris, Debra, PAT, One Veteran's Story: Strengthening Interprofessional Education. Presented at the American Speech Language and Hearing Association (ASHA) Convention, Orlando, FL. (November 22, 2014)
• Williams, Mandy, and Johnson, Marni, The Influence of Temperament on Hearing Aid Satisfaction. Presented at the American Speech Language and Hearing Association (ASHA) Convention, Orlando, FL. (November 21, 2014)
• Johnson, Marni, Fogas, Bruce S., and Ermer, David J., Fetal Alcohol Spectrum Disorders: Current Issues & Practices. Presented at the South Dakota Speech Language Hearing Association (SDSLHA) Annual Convention, Sioux Falls, SD. (October 10, 2014)
• Brewer, Joel, Johnson, Marni, Hanson, Elizabeth, and Brueggeman, Paul, Visual Schedules for Hearing Screenings. Presented at the South Dakota Speech Language Hearing Association (SDSLHA) Annual Convention, Sioux Falls, SD. (October 09, 2014)
• Jorgensen, Lindsey, and Johnson, Marni, Adult Verification and Validation: ACT Now!. Presented at the Audiology Now! 2014, Orlando, FL. (March 2014)
• Jorgensen, Lindsey, Messersmith, Jessica, and Johnson, Marni, Debates In Audiology - How Do You Know What To Do When There Is Conflicting Evidence. Presented at the Audiology Now! 2014, Orlando, FL. (March 2014)
• Jorgensen, Lindsey, Johnson, Marni, and Messersmith, Jessica, Audiology and the New Diagnostic Service Manual 5 (DSM 5) - how does it impact Audiology clinic, research, interaction with other professionals and beyond. Presented at the Audiology Online, Online. (January 22, 2014)
• Johnson, Marni, Neugebauer, Kendra A., and , Hearing Loss Prevention: Educating Future Generations. Presented at the Innovations in Noise-Induced Hearing Loss and Tinnitus Prevention in Kids, St. Paul, MN. (October 15, 2013)
• Johnson, Marni, and Williams, Mandy, Classroom Accommodations for Students who are Deaf or Hard-of-hearing. Presented at the American Speech Language and Hearing Association National Convention, San Diego, CA. (November 18, 2011)
• Johnson, Marni, Williams, Mandy, and Develder, Elizabeth, There's no 'I' in TEAM - Interdisciplinary Training Even Outcome Measures. Presented at the ASHA Convention, Chicago, IL. (November 2008)
• Huff, E, Buelow, Janet, Jorgensen, Kathy, Nelson, Deb, Ekstrom, Richard, Smallfield, Stacy, and Johnson, Marni, Interdisciplinary health fairs for seniors: Service learning in higher education. Presented at the American Speech and Hearing Association Convention, Miami, FL. (November 2006)