Faculty, staff, and administrators at the Palmer Center for Chiropractic Research are dedicated individuals who seek to advance public health by developing knowledge and translating that knowledge to the practice of chiropractic health care.

The faculty and professional staff are the engines of success at the Center. They:

  • identify meaningful research questions.
  • collaborate with investigators within and beyond the College.
  • obtain external research funding, design and execute high-quality research studies.
  • serve as graduate and postdoctoral research mentors.
  • play a key role in teaching clinical research masters students.
  • participate in evidence-based training of chiropractic students.

In addition, in recognition of the growing complexity of the research conducted at Palmer College, the Center holds to the highest ethical standards for the use of human subjects and animals in its research.


Research Faculty

Robert Cooperstein, MA, DC
Maruti Ram Gudavalli, PhD
Cynthia Long, PhD

Professor Emeritus
Joel G. Pickar, DC, PhD

Chair, Clinical and Health Services Research
William Weeks, MD, PhD, MBA

Associate Professors
Stephen M. Onifer, PhD
Robert Vining, DC

Assistant Professors
Ting Xia, PhD 
Stacie Salsbury, PhD, RN

Professional, Technical and Administrative Staff

Animal Care Unit Core
Randall S. Sozio, BS, LATG
Animal Care Manager

Cell Biology Lab
Chao Hua Yao, MD
Cell Biology Laboratory Technician

Clinic Core
Elissa Twist, DC, MS, CCRP
Study Coordinator

Clinical Research Fellows
Breanne Bovee, DC
Yasmeen Khan, DC
Zacariah Shannon, DC

Office of Clinical Studies
Crystal Franklin, MPH, CCRP
Clinical Project Manager  

Julie Hartman, DC, MS, CCRP
Clinical Project Manager II

Amy Minkalis, DC, MS, CCRP
Clinical Project Manager II

Office of Data Management & Biostatistics
Greg Boyer, BS
Web Programmer

Lance Corber, MSITM   
Data Core Manager

Research Administration
Leah Cafer

Ann Hileman, BPh 
Assistant Director of Research

Katie Hoyt, MOL
Research Program Manager