Brick wall with three busts behind purple flowers

Media Relations

Thank you for referencing Palmer College of Chiropractic in your work. Below are images and biographies for Palmer’s expert sources.

Logos and Expert Sources

To request a Palmer College logo, please contact

To download a file, right-click the link below the Palmer representative you want and click “save link as.”

Dr. Heather Bowyer portraitHeather Bowyer, D.C., C.C.S.P.
Dean of Clinics, Palmer Florida (Port Orange, Florida)

Areas of Expertise: Sports chiropractic, clinic administration

Image – Web | Image – PrintBio (document)

Tammi Clark, D.C.
Dean of Clinics, Palmer West (San Jose, California)

Areas of Expertise: Chiropractic administration and education

Image – Web | Image – Print Bio (document)

Dave Juehring, D.C., DACRB portraitDave Juehring, D.C., CSCS, CCSP
Director of Chiropractic Rehabilitation & Sports Injury

Areas of Expertise: Sports injuries, chiropractic rehabilitation, chiropractic for elite athletes

Image – Web | Image – Print | Bio (document)

Joy Lewis portraitJoy Lewis, Ed.D., M.S.
Dean of Academic Affairs, Palmer Florida (Port Orange, Florida)

Areas of Expertise: Higher education

Image – Web | Image – PrintBio (document)

Dr. Marchiori portraitDennis Marchiori, D.C., Ph.D.
Chancellor and CEO

Areas of Expertise: Chiropractic education, Gallup-Palmer research, Palmer identity

Image – Web | Image – Print | Bio (document)

Cherie Marriott, D.C., DICCP
Faculty Clinician, Main Campus (Davenport, Iowa)

Areas of Expertise: Chiropractic for children and pregnant women

Image – Web | Image – Print | Bio (document)

Dr. McLean portraitIan McLean, D.C., FPAC
Director of Clinical Radiology, Main Campus (Davenport, Iowa)

Areas of Expertise: Chiropractic radiology

Image – Web Image – Print | Bio (document)

Barbara Melbourne, J.D.
Vice Chancellor for Institutional Advancement

Areas of Expertise: Palmer development and fundraising

Image – Web | Image – Print | Bio (document)

Lia Nightingale, Ph.D.
Professor of Nutrition, Main Campus (Davenport, Iowa)

Areas of Expertise: Nutrition

Image – Web | Image – Print Bio (document)

James O'Connor portraitJames O’Connor, APR
Vice Chancellor for Marketing & Communication

Areas of Expertise: General Palmer information

Image – Web | Image – Print | Bio (document)

Robert Percuoco, D.C., FPAC
Vice Chancellor for Institutional Effectiveness

Areas of Expertise: Chiropractic college accreditation, academic assessment

Image – Web | Image – Print Bio (document)

Jennifer Randazzo, M.A.S., C.P.A.
Vice Chancellor for Finance

Areas of Expertise: Finance

Image – Web | Image – Print | Bio (document)

Dr. William Sherrier portrait.William Sherrier, D.C., M.A.
Campus President, Palmer Florida (Port Orange, Florida)

Areas of Expertise: Chiropractic Education and Administration

Image – Web | Image – Print | Bio (document)

Dr. Gregory Snow portraitGregory Snow, D.C.
Senior Campus Administrator and Dean of Academic Affairs, Palmer West (San Jose, California)

Areas of Expertise: Preventing back pain

Image – Web | Image – Print | Bio (document)

Michael Tunning, D.C., M.S., ATC
Dean of Programs, Palmer Main

Areas of Expertise: Technique, chiropractic diagnosis and radiology

Image – Web | Image – Print | Bio (document)

Daniel Weinert, D.C., Ph.D.
College Provost

Areas of Expertise: Chiropractic education

Image – Web | Image – Print | Bio (document)




For biography or photo requests not included on this page, contact:

Marketing and Communication

Jillian McCleary
Senior Director of Marketing & Communication
Palmer College of Chiropractic
Marketing & Communication
1000 Brady Street
Davenport, IA 52803