University of Missouri School of Medicine MU Health School of Medicine

Orthopaedic Research

About

In addition to providing clinical care and teaching future generations of orthopaedic surgeons, our mission is to participate in research that advances our understanding and ability to treat disorders of the spine and extremities.

We work with researchers from other medical disciplines, such as internal medicine, family medicine, and radiology, as well as basic scientists in other fields. We are a collaborator in the University of Missouri's Comparative Orthopaedic Laboratory, exploring new methods to treat the most important musculoskeletal diseases and injuries.

Research Team

Research Faculty
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James L. Cook, DVM, PhD

Research Professor
Education
  • DVM (Veterinary Medicine): University of Missouri, Columbia
  • PhD (Pathobiology): University of Missouri, Columbia
  • Diplomate: American College of Veterinary Surgeons

Dr. Cook is the director of the MU Comparative Orthopaedic Laboratory and William C. Allen Endowed Professor for Orthopaedic Surgery. Primary appointment is in Department of Orthopaedic Surgery, joint appointment in College of Veterinary Medicine and Surgery, adjunct appointment in Pathobiology and Director of Division of Research for Department of Orthopaedic Surgery.

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Ferris Pfeiffer, PhD

Assistant Research Professor
Education
  • PhD: University of Missouri- Columbia, Missouri 2007
    Emphasis in numerical methods, finite element analysis, and biomechanics
    Major: Mechanical Engineering
  • MS: University of Missouri- Columbia, Missouri 2004
    Emphasis in system dynamics and fluid power
    Major: Mechanical Engineering
  • BS: University of Missouri- Columbia, Missouri 2003
    Major: Mechanical Engineering

Dr. Pfeiffer was hired as head of Biomechanics and Bioengineering of the MU Comparative Orthopaedic Laboratory in 2010. In 2012, he was appointed to Assistant Professor of Orthopaedic Surgery and Biological Engineering. His current areas of research include spine and biomechanical studies in Orthopaedics.

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Trent Guess, PhD

Associate Professor
Education
  • PhD (Mechanical Engineering): University of Kansas – Lawrence
    Emphasis in Biomechanics
  • MS (Mechanical Engineering): Colorado State University – Fort Collins
  • BS (Mechanical Engineering): University of Kansas – Lawrence

Dr. Guess was recently hired as an Associate Professor with the HealthSouth Professorship at the University of Missouri – Columbia. He has joint appointments with the Departments of Physical Therapy and Orthopaedic Surgery.

Research Staff

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OB Brimmo

Sr. Research/Lab Technician
Education
  • Bachelor of Medicine & Bachelor of Surgery: University of Ibadan, Nigeria College of Medicine
Positions
  • 2013 (April) -2013 (May) : Clinical Research Fellow Department of Orthopaedic Surgery - Cleveland Clinic
  • 2012-2013: Research Fellow Department of Orthopaedic Surgery - Children’s Hospital Cincinnati
  • 2010-2012: Research Coordinator Deptartment of Orthopaedic Surgery - Washington University School of Medicine
  • 2009-2010: Department of Orthopaedic Trauma(Junior Orthopaedic Trauma fellow)- Saint Louis University Hospital
  • 2008-2009:Research Fellow Department of Orthopaedic Surgery - University of North Carolina
  • 2007-2008: Department of Internal Medicine (Intern) - Kaiser Permanente Santa Clara, CA
  • 2006-2007: Department of General Surgery (preliminary year) - New York Methodist Hospital Brooklyn, NY.
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J. Caleb Cheavens, RN, BSN

Coordinator, Protocol Services
Education
  • BSN: University of Missouri Sinclair School of Nursing, Columbia MO
Positions
  • 2011: Staff Nurse – University of Missouri, Emergency Services
  • 2009: ER Charge Nurse – Hermann Area District Hospital
  • 2007-2013: Contracted Educational Content Author – Cross Country University
  • 1998: Multimedia Developer for Healthcare Education – Graphic Education Corp.

Caleb is responsible for the management and coordination of selected clinical trials, and he specializes in data management strategies and database workflow design.

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Tina Chen

Sr. Research/Lab Technician
Education
  • M. Eng: Cornell University, Biomedical Engineering
  • BS: Cornell University, Biomechanical Engineering
Positions
  • 2012-2013: Research Engineer Intern, Hospital for Special Surgery
 
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Lori Clark

Project Director
Education
  • BSN: University of Missouri Sinclair School of Nursing, Columbia MO
Positions
  • 2008: In-House Coordinator, Midwest Transplant Network
  • 2006: Hospital & Family Services Coordinator, Midwest Transplant Network
  • 2001: Organ Procurement Coordinator, Midwest Transplant Network
  • 1997: Staff Nurse II, Pediatric ICU, University Hospital
  • 1996: Charge Nurse, Pediatric/Adolescents, Mid-Missouri Mental Health Center

Ms. Clark is responsible for the oversight of human clinical trials.

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Stacee Clawson, RN, BSN

Nurse Clinician, Clinical Trials and Compliance
Education
  • BSN: University of Missouri Sinclair School of Nursing, Columbia MO
Positions
  • 2010: Nurse Clinician/Clinical Trials Coordinator – University of Missouri, Division of Diabetes and Endocrinology
  • 2010: Staff Nurse – University of Missouri, Outpatient Surgery
  • 2009: Staff Nurse PRN/Float – Boone Hospital Center (SICU, MICU, NSICU, adult step-down, medical/surgical floors)
  • 2007: Staff Nurse PRN/Float – University of Missouri (SICU, CICU, MNICU, BICU, adult step-down, medical surgical floors)
  • 2004: Staff Nurse – Boone Hospital (SICU)

Ms. Clawson is responsible for research compliance, & clinical trial project management/coordination.

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Steve Friedman

Senior Editor
Education
  • BA: Southeast Missouri State University
Positions
  • 2011-present: Sr. Editor, MU Department of Orthopaedic Surgery
  • 2006: Editor, MU Department of Orthopaedic Surgery
  • 2003: Senior Information Specialist, University of Missouri Health Care

Mr. Friedman manages the preparation and editing of manuscripts for peer-reviewed journals, grant applications, and various presentations.

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Kathleen Markley

Nurse Clinician
Education
  • ADN-RN: Waukesha County Technical College, Pewaukee Wisconsin
  • BA: Psychology, University of Missouri, Columbia MO 2013
Positions
  • 2010-present: Nurse Clinician, Department of Orthopaedics
  • 2011-present: Nurse Clinician, Clinical Research Center at University of Missouri-prn
  • 2010: Nurse Clinician and study nurse for clinical trials with The Endocrine Department at University of Missouri
  • 2002: Registered Nurse, Operating Room, Institute for Outpatient Surgery in Columbia Missouri
  • 1999: Registered Nurse, Operating Room, travel and prn work around Los Angeles Metro Area California
  • 1997: Registered Nurse, Operating Room, Froedtert Memorial Hospital in Milwaukee Wisconsin
  • 1991: Registered Nurse, Operating Room, Sinai Samaritan Hospital in Milwaukee Wisconsin

Kathleen works for The Department of Orthopaedics as a Nurse Clinician providing coverage for a variety of service lines. She is providing a special focus, using her research background, to projects in our growing research department.

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Cameron Purves

Grants and Contracts Specialist
Education
  • BS, University of Missouri – Columbia, General Business
Positions
  • 2011-2013: Administrative Assistant for Missouri Orthopaedic Institute
  • 2009-2011: Computer Support Specialist at the Missouri Orthopaedic Institute

Cameron directs the processing of grants and contracts activities and serves as liaison between MU Department of Orthopaedic Surgery researchers and institutional counterparts.

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Brian Sharp

Coordinator, Protocol Services
Education
  • BHS: University of Missouri School of Health Science - Columbia, MO (Expected: Spring 2015)
  • AA: Moberly Area Community College - Moberly, MO
Positions
  • 2011-2014: Supervisor - Health and Behavioral Risk Research Center
  • 2009-2010: Insulator: Local 27 heat and Frost Insulators Union
  • 2004-2008: United States Marine Corps - Aviation ordnance Technician
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