School of Dentistry

School of Dentistry Leadership and Administration

Executive Leadership

Peter M. Loomer, DDS, PhD, MBA, BSc, MRCD(C), FACD

Peter M. Loomer, DDS, PhD, MBA, BSc, MRCD(C), FACD

Dean and Professor
210-567-3160
Loomer@uthscsa.edu

Contact

Vanessa N. Borrego
Executive Assistant
(210) 567-3161
BorregoV@uthscsa.edu

Shan Zhao Reeves, MBA, FACHE

Shan Zhao Reeves, MBA, FACHE

Vice Dean, Finance and Administration 
ZhaoS3@uthscsa.edu

Contact

Isabel C. Mazariegos 
Executive Assistant 
(210) 567-6717 
Mazariegos@uthscsa.edu

 

ADMINISTRATION TEAM

Academic, Faculty and Student Affairs

Adriana Segura, DDS, MS

Adriana Segura, DDS, MS

Sr. Associate Dean for Academic, Faculty and Student Affairs
210-567-3180
SeguraA@uthscsa.edu

Stefanie Seitz, DDS, MEd

Stefanie Seitz, DDS, MEd

Assistant Dean for Students
210-567-3180
Seitz@uthscsa.edu

Dana English, EdD, MS, RDH

Dana English, EdD, MS, RDH

Assistant Dean for Education and Faculty Development
210-567-6422
EnglishD@uthscsa.edu

Kelly Lemke, DDS, MS

Kelly Lemke, DDS, MS

Director of Admissions
210-567-3180
dsadmissions
@uthscsa.edu

Elena Riccio Leach, DDS, MS

Elena Riccio Leach, DDS, MS

Director, International Dentist Education Program
210-567-1412
RiccioE@uthscsa.edu

Advanced Education Programs

Suman N. Challa, BDS, MSPH

Suman N. Challa, BDS, MSPH

Associate Dean for Advanced Education Programs and Strategic Initiatives
210-567-3188
ChallaS@uthscsa.edu

UT Dentistry Clinical Operations

Gary F. Guest, DDS

Gary F. Guest, DDS

Chief Dental Informatics & Clinical Information Management Officer 
GuestG@uthscsa.edu

External Affairs | Research | Special Programs

Juanita Lozano-Pineda, DDS, MPH

Juanita Lozano-Pineda, DDS, MPH

Associate Dean for External Affairs Director, Hispanic Center of Excellence (HCOE)
210-567-3173
PinedaJ@uthscsa.edu

Brij B. Singh, PhD, MS, BS

Brij B. Singh, PhD, MS, BS

Associate Dean for Research
210-567-3798
SinghBB@uthscsa.edu

Kenneth Hargreaves, DDS, PhD

Kenneth Hargreaves, Ph.D.

Director, Craniofacial Oral-Biology Student Training in Academic Research (COSTAR)
210-567-3381
Hargreaves@uthscsa.edu

Scott Stafford, DDS, MBA

Scott Stafford, DDS, MBA

Director, Continuing Dental Education
210-567-3177
StaffordS@uthscsa.edu

Christina Meiners DDS, FICD

Christina Meiners DDS, FICD

Director of Community Learning
210-567-3452
Meiners@uthscsa.edu

Department Chairs

Scott Stafford, DDS, MBA

Scott Stafford, DDS, MBA

Interim Chair, Department of Comprehensive Dentistry
210-567-3177
StaffordS@uthscsa.edu

Suman N. Challa, BDS, MSPH

Suman N. Challa, BDS, MSPH

Interim Chair, Department of Developmental Dentistry
210-567-3188
ChallaS@uthscsa.edu

Anibal Diogenes, DDS, PhD

Anibal Diogenes, DDS, PhD

Chair, Department of Endodontics
210-450-3606
diogenes@uthscsa.edu

Edward Ellis, DDS

Edward Ellis, DDS

Chair, Department of Oral and Maxillofacial Surgery
210-450-3131
EllisE3@uthscsa.edu

David Cochran, DDS, MS, PhD, MMS

David Cochran, DDS, MS, PhD, MMS

Chair, Department of Periodontics
210-567-3600
Cochran@uthscsa.edu