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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Veerasathpurush Allareddy
Veerasathpurush Allareddy, B.D.S., M.B.A., M.H.A., Ph.D., M.MSc.
Director of the Craniofacial Clinical Research Program
Professor, Department of Orthodontics

Dr. Veerasathpurush Allareddy joined the University of Iowa College of Dentistry's Department of Orthodontics in 2013 after completing a craniofacial and cleft lip/palate orthodontics fellowship at the Boston Children's Hospital and Harvard School of Dental Medicine, Boston, MA. He is a professor in the Department of Orthodontics. In addition, he is the attending cleft lip/palate orthodontist on the cleft palate team at the University of Iowa Hospitals and Clinics (UIHC), and serves as the director of the Craniofacial Clinical Research Program at the College of Dentistry and Dental Clinics. 

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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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Victoria Green
Victoria Green,
Director, Human Resources
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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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Rachael Kowbel
Rachael Kowbel, M.Ed.
Director, Dental Student Admissions

Ms.  Kowbel has been employed at the University of Iowa since 2011, serving as an Associate Director of Engagement & Recruitment in the Tippie College of Business & then joining the College of Dentistry in 2015.  Previously, she has held roles at Arizona State University and the University of Wisconsin-Stevens Point. 

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Michelle Krupp
Michelle Krupp, Ed.D.
Director, Educational Development
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Chuck McBrearty
Charles McBrearty, B.S.
Director, Dental Technology and Media Services
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Patricia Meredith
Patricia Meredith, D.D.S., M.S.
Director, Advanced Standing Program
Clinical Professor, Department of Operative Dentistry

Dr. Meredith joined The University of Iowa College of Dentistry faculty in 1996 as director of Patient Admissions. She is a clinical professor in the Department of Operative Dentistry.

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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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Xian Jin Xie
Xian Jin Xie, Ph.D.
Director, Division of Biostatistics and Computational Biology
Professor, Iowa Institute for Oral Health Research & Department of Preventive & Community Dentistry
Professor, College of Public Health Department of Biostatistics

Dr. Xie joined the University of Iowa College of Dentistry in 2017. Before coming to Iowa, Dr. Xie was a faculty member (Assistant, Associate and Full Professor, 2005-2017) and Director of Biostatistics Shared Resource (2008-2017) in the Simmons Comprehensive Cancer Center and Department of Clinical Sciences at the University of Texas Southwestern Medical Center.

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