College of Dentistry & Dental Clinics Administrators


David C. Johnsen
David C. Johnsen, D.D.S., M.S.
Dean, College of Dentistry and Dental Clinics
Professor, Department of Pediatric Dentistry

Dr. David C. Johnsen has been the dean of the UI College of Dentistry since 1995. Dr. Johnsen taught predoctoral pediatric dentistry at West Virginia University & Case Western Reserve University and was department chair and director of the pediatric dentistry residency program at Case Western Reserve University (1990-1995).

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Galen B. Schneider
Galen B. Schneider, D.D.S., Ph.D, FACP
Executive Associate Dean
Professor, Department of Prosthodontics

Dr. Schneider joined the UI College of Dentistry in 1999. He served as Department of Prosthodontics chair from 2006-2011. Dr. Schneider is currently executive association dean, dean for faculty, and a professor in the Department of Prosthodontics with a joint appointment in the UI Institute for Dental Research. In addition, he is a board-certified prosthodontist and is actively involved in patient care and teaching within the Department of Prosthodontics. His research focuses on bone cell biology as it relates to implant osseointegration and bone tissue engineering.

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Brad A. Amendt
Brad A. Amendt, Ph.D.
Associate Dean for Research
Director, Craniofacial Anomalies Research Center
Professor, Department of Orthodontics

Dr. Brad Amendt is associate dean for research and a professor in the Department of Orthodontics.

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Scott K. Arneson
Scott K. Arneson, M.B.A.
Associate Dean for Finance and Facilities

Scott Arneson joined the UI College of Dentistry in 2003 as assistant dean for finance and facilities. Mr. Arneson is responsible for the business and financial administration of the College of Dentistry, overseeing an annual budget of $44 million.

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Kim A. Brogden
Kim A. Brogden, Ph.D.
Director, Iowa Institute for Oral Health Research

Dr. Brogden joined the College of Dentistry in 2004. He is director of the Iowa Institute for Oral Health Research and a professor in the Department of Periodontics. 

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Ronald D. Elvers
Ronald D. Elvers, D.D.S., M.S.
Director of Clinics
Associate Clinical Professor, Department of Oral Pathology, Radiology & Medicine

Dr. Elvers joined The University of Iowa College of Dentistry in 1996. He is director of clinics and an associate clinical professor in the Department of Oral Pathology, Radiology and Medicine.

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Lily T. Garcia
Lily T. Garcia, D.D.S., M.S., FACP
Associate Dean for Education
Department of Prosthodontics

Dr. Garcia was a faculty member at the University of Texas Health Science Center, San Antonio Dental School (UTHSCSA) before joining the University of Iowa College of Dentistry in 2013 as associate dean for education.

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Michael J. Kanellis
Michael J. Kanellis, D.D.S., M.S.
Associate Dean for Patient Care
Professor, Department of Pediatric Dentistry

Dr. Kanellis joined the College of Dentistry in 1994 following 13 years in private practice. Dr. Kanellis' teaching responsibilities include both didactic and clinical predoctoral and postdoctoral education.

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Penni Ryan
Penni Ryan, BLS, CPP
Director, Continuing Education and Alumni Affairs
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Sherry Timmons
Sherry Timmons, D.D.S., Ph.D.
Associate Dean for Student Affairs
Clinical Associate Professor, Department of Oral Pathology, Radiology and Medicine

Dr. Timmons became a faculty member in the Department of Oral Pathology, Radiology & Medicine in 2002 following completion of a Ph.D. in oral science from Iowa in 2001 and a general practice residency in 2002.  In 2018, Dr. Timmons became associate dean for student affairs at the UI College of Dentistry.

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