Tiffany Morrison

Tiffany Morrison, MS CCRP
Director of Clinical Trails

Tiffany Morrison is the Director of Clinical Trials, Research Department.  Tiffany works with all departments at the Rothman Institute in order to design, organize, and implement Phase II, III, and IV drug trials, device trials, and Investigator-Initiated studies.  She is also Adjunct Faculty of the Graduate School for Biomedical Sciences at Thomas Jefferson University where she teaches two graduate classes on Clinical Trials Management and Implementation.  Tiffany has received her B.A. in Biology from Lehigh University in 2003.  She then completed her M.S. in Pharmacology from Thomas Jefferson University in 2006.


Camilo Restrepo

Camilo Restrepo, MD
Associate Director Joint Research

Camilo Restrepo, MD is an orthopaedic arthroplasty surgeon and researcher.  Dr. Restrepo oversees and assists in all aspects of research projects.  He is the Associate Director and Quality Data Manager of Research at the Rothman Institute.  Dr. Restrepo received his medical degree from the Universidad el Bosque in Bogota Colombia.  Dr. Restrepo also completed his orthopaedic residency at the Universidad el Bosque in Bogota Colombia.


Mitchell Maltenfort

Mitchell Maltenfort

Mitch Maltenfort has been working in biomedical data analysis for two decades, including ten years in academic basic research.  He has been granted the Professional StatisticianTM accreditation from the American Statistical Association.  He received his B.S.E. in Biomedical Engineering from Tulane University in 1988, and his PhD in the same field from Northwestern University in 1995.  He has contributed to over 100 peer-reviewed articles, and written several short articles and a book chapter on statistics.  He is proficient (can get into trouble and out again) in R and SQL.  Within the research department, his expertise is statistical analysis from data collection through presentation in talks and manuscripts.  Please come to him for planning study design and sample size, interpreting data, meta-analyses, agreement statistics, etc.  He is also a member of the Jefferson IRB and can bring you as a guest.


Allie Martin

Allie Martin, MS
Officer Supervisor of Research 

Allie is the office manager and manages visiting research fellows and the student internship program. She manages personnel, and is also in charge of organizing logistics for conferences each year. Allie graduated from Elizabethtown College with a BS in Biology and a minor in Anthropology. She subsequently got a Master’s of Science in Biology from Chatham University.


Hong Fu

Hong Fu, CCRP
Clinical Research Coordinator

Hong Fu received her Doctor of Medicine degree from Second Military Medical University, Shanghai, China.  Prior to joining The Rothman Institute in 2007, she worked in an Embryonic Stem Core in the University of Pennsylvania.

Current projects:

  • Addendum to Investigational Plan 1003 Version 5.3 IDE Protocol G050178: An Assessment of P-15 Bone Putty in Anterior Cervical Fusion with Instrumentation
  • A phase 2b, randomized, double-blind, placebo-controlled study to evaluate the safety and efficacy of a Staphylococcus aureus 4-antigen vaccine (SA4Ag) in adults undergoing elective posterior instrumented lumbar spinal fusion procedures
  • Cellentra™ Viable Cell Bone Matrix (VCBM) Anterior Cervical Discectomy and Fusion Outcomes Study (VCBM/MaxAn®)


Ioanna Kosmaoglou

Ioanna Kosmaoglou
Clinical Research Coordinator - Joint Research

Ioanna graduated from Bryn Mawr College with a BA in biology. She joined the Rothman Institute in November 2015 where she is currently working on funded studies regarding  patient outcomes following total knee arthroplasty  and a study investigating the use of a drug for the treatment of infected fracture sites.


Kaitlin Lehmann

Kaitlin Lehmann, MA
Clinical Research Coordinator - Joint Division

Kaitlin Lehmann graduated from Wagner College with a BA in Psychology with minors in German and Education, before completing her Master’s degree in Experimental Psychology at American University. She joined the Rothman Institute in April 2015 and currently works on funded clinical trials including outcome data on the Vivacit-E Highly Cross Linked Polyethylene Liner & Continuum Ceramic Bearing System in primary total hip arthroplasty in addition to a Post-Market  Evaluation of the Iovera Device in treating knee pain by measuring opioid consumption.


Kristen Nicholson

Kristen Nicholson, PhD
Spine Research

Kristen manages the prospective, patient-reported outcomes database for the spine service. Her research interests lie in identifying objective, patient-centric outcomes for measuring quality of care that incorporate or augment the currently available instruments. She completed her doctorate in bioengineering at the University of Pennsylvania where she evaluated neurophysiologic correlates of spine-mediated pain.


Tanine Daryoush

Tanine Daryoush
Research Fellow – Joint Division

Tanine Daryoush graduated with BA in Biology from Franklin and Marshall College. She currently works in both basic science and clinical research at Rothman Institute.


Shaoqi Tian

Shaoqi Tian, MD
Visiting Scholar from China – Joint

Attending Doctor
Department of Orthopedics Surgery
The Affiliated Hospital of Qingdao University
Qingdao 266000, China

Orthopedic Fellow, Visiting Scholar
Rothman Institute at Thomas Jefferson University Hospital
Philadelphia, PA 19107, USA (2015.11-2016.10)


Dennis Martin

Dennis Martin, BS
Research Fellow – Joint Division

Dennis attended the College of William and Mary in Virginia, where he studied Kinesiology & Health Sciences with concentrations in pre-medicine and biochemistry. He graduated in 2013 and was inducted into the Phi Beta Kappa Society. Of note, he also served as an emergency department scribe for Sentara Healthcare, a teaching assistant in the College's gross anatomy lab, and was a member of the men's lacrosse club.


Dennis completed his first three years of medical school at Sidney Kimmel Medical College at Thomas Jefferson University before taking a hiatus to complete a clinical research fellowship in orthopedics. Academic interests include orthopedic trauma, hand, and joint surgery. 


Christie Stawicki

Christie Stawicki, BS
Research Fellow – Spine Division

Christie is currently a Spine research fellow at the Rothman Institute. She is honored to have the opportunity to learn and work with experts in the field of orthopedic surgery. Her most recent work includes an analysis of the total cost of spine surgery, and research on telemedicine and its potential impact on the structure of modern medicine. Christie will be applying to medical school this cycle. In her spare time, she enjoys weight training, long distance running, and is currently training for her first triathlon. 


Kiersten Sydnor

Kiersten Sydnor, BS
Research Fellow – Joint Division

"Kiersten graduated from Bucknell in 2016, receiving a Bachelor of Science degree in Neuroscience. She was a student-athlete at Bucknell as a member of the Women’s Field Hockey Team. Kiersten performed undergraduate research during her time at Bucknell in behavioral neuroscience where she presented her research at the annual Society for Neuroscience Conference in Washington, D.C. " 


Maryam Rezapoor

Maryam Rezapoor, MS
Clinical Coordinator – Joint Division

Maryam received her master’s degree in Bioengineering from Temple University in 2014. With her background in engineering and computer programming, she joined Rothman Institute to bring those principles into the field of orthopaedics. Her main research interests include infection prophylactic measures and technologies; she has been involved in design and implementation of multiple clinical trials evaluating antiseptics, surgical drapes, sutures, and surgical dressings.  She is now working on design and development of a technology to facilitate data collection and handling in clinical trials. Check out her publications in the following link:

Conference Presentations/Posters:

  • Rezapoor M, Nicholson T, Tabatabaee RM, Chen AF, Maltenfort MG, Parvizi J. Povidone-Iodine-based Solutions for Decolonization of Nasal Staphylococcus aureus: A Randomized, Prospective, Placebo-Controlled Study. Musculoskeletal Infection Society, July 31 -Aug 1, 2015. Cleveland, OH.
  • Rezapoor M, Jacek E, Paziuk T, Chen AF, Maltenfort MG, Parvizi J. The Factors Influencing Operating Room Air Quality. Musculoskeletal Infection Society, July 31 -Aug 1, 2015. Cleveland, OH.
  • Rezapoor M, Mostafavi R, Rasouli M, Maltenfort MG, Ong A, Major Adverse Events Following Total Joint Arthroplasty in Patients with Coronary Revascularization. American Academy of Orthopaedic Surgeons, 2015. Las Vegas, NV
  • Parvizi J, Haung R, Rezapoor M, Bagheri B, Maltenfort MG. Individualized Risk Model for VTE following TJA; American Association of Hip and Knee Surgeons, 2015. Dallas, TX.
  • Alijanipour P, Heller S, Kucukdurmaz F, Zmistowski B, Rezapoor M, Red Cell Distribution Width: An Unacknowledged Predictor of Mortality Following Revision Arthroplasty; American Academy Of Orthopaedic Surgeons AAOS Annual Meeting, 2015. Las Vegas, NV.
  • Rezapoor M, Mirghasemi A, Rasouli MR, Tabatabaee RM, Parvizi J. Total joint arthroplasty in patients with cardiac implantable electrophysiological devices; Eastern Orthopaedic Association, 2014. Jacksonville, FL.


Venkat (Ven) Masarapu

Venkat (Ven) Masarapu
Research Volunteer – Joint Division

After growing up in sunny Cupertino, California, Ven attended The Pennsylvania State University where he obtained his undergraduate degree. He is currently a medical student at Sidney Kimmel Medical College and is pursuing his interest in Orthopaedic Surgery. In the past, he has worked as a researcher in the Department of Urology at Cedars-Sinai Medical Center and in the Department of Orthopaedic Surgery at Stanford University. During his free time, he enjoys reading, running, playing tennis, and relaxing with friends. 



Make an Appointment

First Name
Last Name
1 of 1