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Faculty and Staff


Assistant Professor

Jennifer Boyett, MHS, PA-C
Assistant Professor

James L. Brand, MD
Professor of Family and Preventive Medicine
Associate Program Director            

Dr.  Brand is a longtime educator of physician assistant students, medical students, and family medicine resident physicians.  He is a graduate of the OU College of Medicine and completed his Family Medicine residency at the OUHSC Department of Family and Preventive Medicine.  He continues to practice clinically at the OU Family Medicine Center on the OUHSC campus.  Dr. Brand has been active in PA education for more than 20 years.  He is past chairman of the NCCPA’s PANCE Item Writing Committee and remains a contributing member of that body.  Dr. Brand has additional experience with the Accreditation Review Commission on Education for the Physician Assistant (ARC-PA), serving as a commissioner for six years.

Timothy R. Braun, MHS, PA-C
Assistant Professor

Tim Braun is an Assistant Professor of Didactic Education with the Physician Associate Program, Department of Family and Preventative Medicine. He is a graduate of the University of Oklahoma Health Sciences Center Physician Associate Program. Prior to this faculty appointment, his clinical experience includes family medicine with a specialty in addiction medicine. He continues to provide patient care at the Family Medicine Center on the OUHSC campus. 

Bruce Dobey, MHS, PA-C
Assistant Professor
Director for Evaluation and Assessment

Bruce Dobey is an Assistant Professor and the Director for Evaluation and Assessment with the Physician Associate Program. He is a graduate of the OUHSC Physician Associate Program. His clinical experience prior to joining as faculty includes family medicine, trauma surgery, and orthopedics. Prior to his faculty appointment, Mr. Dobey’s experience as an educator has involved multiple roles throughout the past two decades including Fire/Rescue training officer, EMS educator, and environmental health and safety training. Mr. Dobey is particularly interested in the development and implementation of medical education technology, innovation in medical education, global health, and health policy.

Chad Douglas, MD, PharmD
Assistant Professor
Medical Director & Director for Didactic Education

Dr. Douglas is a board certified Family Medicine Physician, the Medical Director, as well as the Director for Didactic Education for the Physician Associate Program. Dr. Douglas graduated from the OU College of Pharmacy in 2003 with his Pharm.D. , and then earned his M.D. from OU College of Medicine in 2007. He completed an internship in Internal Medicine at OUHSC followed by a residency in Family Medicine where he served as chief resident. He had a primary care practice prior to his return to OUHSC in 2016.
Dr. Douglas serves on several health legislation and policy committees representing family medicine physicians across the state and region. His special clinic interests and areas of expertise include: clinical pharmacology, toxicology, infectious diseases, and public health policy.

Darlla D. Duniphin, DHSc, PA-C
Assistant Professor
Director for Clinical Education

Dr. Darlla D. Duniphin is Director for Clinical Education and Assistant Professor in the Physician Associate Program of the University of Oklahoma Health Sciences Center.  Dr. Duniphin received her Master of Health Sciences at the University of Oklahoma Health Sciences Center Physician Associate Program in 2002.  Her clinical experience includes Dermatology, General Surgery, Hospital Medicine, Family Medicine, and Urgent Care Medicine. Dr. Duniphin earned her Doctorate in Health Sciences from AT Still University in 2019.

Samuel Elder, MHS, PA-C
Clinical Assistant Professor

Frederick Miller, Ph.D.
Associate Professor

Dr. Miller is an Associate Professor in the Department of Family and Preventative Medicine and an Associate Clinical Professor in the Department of Cell Biology.   Dr. Miller teaches the anatomical sciences to graduate students, PA students, dental students, and medical students on the health science center campus.  Dr. Miller also is the course director for the Pathophysiology course in the PA curriculum.  Dr. Miller is a basic science researcher at the Dean McGee Eye Institute.  His collaborative work with Dr. Michelle Callegan focuses on the pathogenesis of infectious diseases of the eye.  Dr. Miller is also keenly interested in medical education and is involved in research to improve student outcomes in the biomedical sciences.  Prior to joining the PA faculty at the University of Oklahoma, Dr. Miller served as a Professor of Biology for twenty-one years at Oklahoma Christian University.  Dr. Miller received his Masters of Science and Ph.D. in Biochemistry and Molecular Biology at the University of Oklahoma Health Sciences Center in 1997 and his BS Degree in Biology and Chemistry from Oklahoma Christian University, Oklahoma City, Oklahoma. 

Emily Skinner, MHS, PA-C
Clinical Instructor
PA Surgery Rotation Coordinator

Bruna Varalli-Claypool, MHS, PA-C
Associate Professor
Mrs. Varalli-Claypool is an Associate Professor in the Physician Associate Program. Mrs. Varalli-Claypool has over 19 years of clinical experience in Emergency Medicine, Urgent Care and Family Practice. In addition to her years as a PA she has been a Nationally Registered EMT-P for over 25 years. She has served as Treasurer and House of Delegates representative for the Oklahoma Academy of Physician Assistants. She is a member of the Oklahoma Health Care Authority’s Drug Utilization Review Board and the Oklahoma Simulation Alliance Committee. Mrs. Varalli-Claypool earned her Bachelor of Business Administration degree from the University of Central Oklahoma in 1989 and her Masters in Health Sciences from the University of Oklahoma Health Science Center campus in 1999. When asked to describe her role within the Physician Associate Program; she replied “…I get students ready for clinical rotations…”

Melody J. Yozzo, DHEd, PA-C
Associate Professor
PA Program Director

Dr. Melody Yozzo is an Associate Professor and the Program Director in the Physician Associate Program. She is an alumnus of the University of Oklahoma Physician Associate Program graduating in 2003 with a Master of Health Science. In 2008, following four years of practicing medicine in rural northern Oklahoma and 10 years of previous undergraduate teaching experience, she became a member of the initial faculty charged with developing a physician assistant program at the University of Oklahoma School of Community Medicine in Tulsa. Her early clinical experience included outpatient Internal Medicine with VA primary care and Occupational Medicine/Employee Health. During seven years at OU-Tulsa she served as Director of Didactic Education and provided underserved patient care while proctoring PA students at OU Community Health clinics. Dr. Yozzo serves in leadership roles in PA organizations at the state and national level. She is a graduate of the University of Missouri-Columbia with a Bachelor of Science in Chemical Engineering and Oklahoma State University with a Master of Science in Curriculum and Instruction. She has recently obtained a Doctorate in Health Education from AT Still University. Her principal research interest is in the area of implicit biases in health and medical education. 


Jami Anderson, MAEd
Director for Admissions and Recruiting
Jami Anderson is Director for Admissions and Recruiting in the Physician Associate Program. She’s responsible for student recruitment, and admission processes related to the program. Previously, she was and Education Liaison for the Oklahoma National Guard from 2009-2013. She presented educational programs and education benefits to professional educators and students in high schools, colleges, and other educational institutions.  Ms. Anderson previously taught at Connor’s State College where she was also the Director of Recruitment.  She received her Associate of Arts in Education from Connor’s State College in 2004, Bachelor’s of Science in Education from Northeastern State University in 2006, and Master of Arts in Education from University of Phoenix in 2014. 

Char-ri Eby
Administrative Assistant II

Conny Hauf, MA
Student Program Coordinator, Clinical Education

Conny Hauf is the Student Program Coordinator for the Clinical phase of the Physician Associate Program. She is responsible for coordinating students’ clinical rotations and activities during the latter twelve months of the program. Ms. Hauf graduated with a Russian/English teaching degree from Humboldt-University Berlin, Germany, and completed a Master’s degree in Comparative Literature at Texas A&M University in 2005. She has taught German at Texas A&M University for more than six years, and has an additional three years of experience as a program coordinator for the Project Global Officer scholarship program for ROTC students at Texas A&M.