What You Need To Know

About RCR

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The RCR Team

Investigational Team

Matthew Davis Matthew Davis, MD
Family Practice, Medical Director

Dr. Davis has been a Principal Investigator or Sub-Investigator for over 20 years, participating in over 500 clinical research studies. He was previously Chief Physician for the after-hours medical care division of a Rochester health care provider. He graduated from Dartmouth College in 1981, received his MD from the University of Rochester in 1986, completed his family residency at University of Pittsburgh Medical Center in 1989 and served three years on active duty with the US Air Force during the Persian Gulf War. He returned to Rochester in 1992 working in primary care, emergency medicine, and clinical research. Dr. Davis is board certified in family medicine, and a member of the American Academy of Family Physicians and the Monroe County Medical Society.


staff_tammi Tammi Shlotzhauer, MD
Rheumatology & Internal Medicine, Assistant Medical Director

Dr. Shlotzhauer, a practicing rheumatologist, is board-certified in both internal medicine and rheumatology. She has participated in over 185 clinical trials and has consulted with partners on protocol development. She is partner in a successful rheumatology practice, located in the same building at RCR. Dr. Shlotzhauer received her MD from the University of Rochester, completed her Internal Medicine Residency at the University of Rochester, and completed her Rheumatology Fellowship at Stanford University. Her interests include osteoporosis, osteoarthritis, rheumatoid arthritis, fibromyalgia, collagen vascular disorders, pain syndromes, and common internal medicine diagnoses.


Dr. Mann - Headshot - Website_Small2 Joseph I. Mann, MD
Neurology & Headache Medicine, Investigator

Dr. Mann joined the RCR organization after retiring from the Greater Rochester Neurological Associates. He completed over 40 years of clinical practice in Neurology with a strong subspecialty practice in Headache Medicine. He is a member of the American Board of Neurology and Psychiatry and has a subspecialty certification for Headache Medicine through the United Council of Neurological Subspecialities. Dr. Mann is a member of the American Academy of neurology and the American Headache Society. He was awarded Headache Healthcare Practitioner of the Year for 2016 by the National Headache foundation.


mary Mary Dinnan, RPA-C
Registered Physician Assistant – Certified, RCR Sub-Investigator

Mary has bee a physicians assistant for over 40 years. She graduated from Ithaca College with a BS is Physical Therapy and received a certificate (now a Masters equivalent) from Yale University School of Medicine Physician Assistant Program. Mary previously worked at the Wilson Health Center in Rochester in the internal medicine department for 20 years. She then joined Doctors Tom Roberts and William Rolls in their internal medicine practice. She retired from that practice after 20 years and joined RCR to pursue her interest in clinical research. Mary has a special interest in musculoskeletal medicine, vaccine studies, and women’s health.


staff_brendand Mervyn Weerasinghe, MD
Internal Medicine, Consultant

With over 15 years experience conducting research, Dr. Weerasinghe has been Principal Investigator or Sub-Investigator on more than 400 clinical research studies. He is board-certified in Internal Medicine and has extensive practice experience in managed care settings. He was the Medical Director of an HMO for eight years, the Medical Director of a hospital for seven years and the Medical Director of a multi-specialty group practice for 10 years. He has served as Principal Investigator or Sub-Investigator in the areas of hypertension, diabetes, obesity, hyperlipidemia, asthma, osteoarthritis, hormone replacement therapy, smoking cessation, peptic ulcer disease and contraception.


Adam Larrabee Adam Larrabee

Adam joined Rochester Clinical Research in 2001. His love of people, quick wit and ebullient personality make him a natural for developing business relationships with partners and the community.    Adam is responsible for strategic marketing and business development, and contributes significantly to the corporate strategic plan.



Pat Head shot Patricia Larrabee, RNNP, CCRC
Founder and Chief Executive Officer

Pat founded Rochester Clinical Research in 1994 to provide residents of the Greater Rochester area with access to research studies. She has been a Sub-Investigator in over 450 clinical trials over 26 years, building on her clinical experience as a researcher and lecturer on high blood pressure, and her work with local physicians in managed care settings. Pat’s limitless energy, compassion and attention to detail have accounted for much of RCR’s success.



therese Therese Dayton, RN, CCRC
Director of Nursing and Operations

Therese has worked at Rochester Clinical Research for over seventeen years, after thirteen years as a labor and delivery nurse. She enjoys the fast pace of research and guiding studies from start to finish. She loves seeing our volunteers return time and time again because of the great care they receive.


 laura1 Laura Lockhart
Director of Business Operations

Laura joined Rochester Clinical Research in 2009 as a Research Assistant. Since then she has been promoted to Director of Business Operations where she reviews and oversees all trial budgets, directs contract negotiation, and performs the human resources role as needed.

 Brandon Brendan Larrabee
Director of Quality Initiatives

Brendan joined Rochester Clinical Research in 2016 and has a background in Lean and Continuous Improvement. As an alumnus of Rochester Institute of Technology with a BS/ME in Industrial Engineering, Sustainable Engineering he brings his unique experience to help RCR maintain their exceptional quality focus.



Louisa Grizard
Marketing Manager

Louisa joined RCR as the company’s Marketing Manager. She oversees all marketing communications and provides strategic vision related to the growth of RCR’s brand and study volunteer community. Louisa graduated from the University at Buffalo with a BA in Communications.



 Kerry Headshot Kerry O’Brien-Stulb
Regulatory and Corporate Affairs Coordinator

Kerry joined the Rochester Clinical Research team in 2012 as an Administrative Assistant and has since elevated herself into the position of Regulatory & Corporate Affairs Coordinator. Kerry’s work ethic and attention to detail has proven her to be an invaluable asset in her role.


 liz Liz Saitta
Administrative Assistant

Liz has been an Administrative Assistant with RCR for over a decade. Her friendly demeanor and organizational skills make her a great asset to the RCR team.



 Bev quilt Beverly Shaff
Administrative Assistant

Bev started working for RCR in 2010 as a Volunteer Recruitment Specialist.  She has been a Research Assistant, and now works as an Administrative Assistance. Originally from Texas, she enjoys spending time with her husband and her dogs, traveling and reading.


 Joanne Joanne Pernice

Joanne is is RCR’s Accountant Extraordinaire. She makes sure that our patient’s receive their compensation on time and in full. As a team player, she also makes sure that the business is run successfully behind the scenes. Outside of RCR, Joanne volunteers at the zoo. She has a passion for animals and giving back to the community.




 David Dave Hurley
Information Technology


Dave has been at RCR for several years, making sure all of our technology is up to date and working just as hard as the rest of the company. He also doubles as our very own “Mr. Fix-it”.


Clinical Staff

Jaclyn Zona, RN, CCRC
Study Coordinator

Jaclyn joined RCR in 2014, after working at Unity Hospital in the recovery room and medical units. Jaclyn has a bachelor’s degree in wellness management and health education.


 Kathleen Kathleen Ebeling, RN, CRRC
Study Coordinator

Kathleen joined Rochester Clinical Research in 2012 after working at the Episcopal group home. She has a BA in psychology and an MBA, in addition to being a Registered Nurse.




 Julie M Julie Mooney, RN, CRRC
Study Coordinator

Julie started working at Rochester Clinical Research in December 2015 after working in the recovery room at a Rochester hospital. She received her Associates Degree in Nursing from Monroe Community College in 2008 and her BSN from SUNY Brockport in 2011. Her medical interests are surgery and working on research centered on learning about the medicine and medical devices of the future.



 Deb H Deb Hodges, RN
Study Coordinator

Deb joined Rochester Clinical Research in 2016 and comes to us from Hurlbut Care communities where she was responsible for infection control. Deb attended Genesee Community College, graduating with an Associates Degree in Nursing and then went on for her RN certification.




 Kate Kate Pagenkemper, RN
Study Coordinator

Kate Pagenkemper came to Rochester Clinical Research in 2016 after working in the emergency department of a Rochester hospital. She received her Bachelors of Science in Nursing from Roberts Wesleyan College.





  Michelle Burgett, RN
Study Coordinator


Michelle came to RCR in 2018. Her medical experience and friendly demeanor with patients makes her a great addition to the team.



 Vicky-with-quilt Victoria Fink, MPH, RD, CDE, CCRC
Study Coordinator

Vicky is a registered dietitian. she coordinates weight loss trials, and has also coordinated medical device, healthy volunteer and vaccine studies. Vicky achieved certification as a research coordinator in the summer of 2010.



 Kathy Kathy Bernardi
Research Assistant

Kathy has been at RCR for several years. Her compassionate, helpful attitude, and friendly demeanor with patients is invaluable to our team.




chelsey Chelsey LoMonaco
Research Assistant

Chelsey started working at RCR in 2010 as temporary lab tech. Since then, she has worked her way to a full time research assistant, back up to the lab and coordinator on device trials. Chelsey’s versatility makes her a great asset to RCR




 Raquel Raquel Hartman
Research Assistant

Raquel joined RCR in 2016, after being a stay at home mother of two for a little over a year. Prior to RCR she worked as a medical secretary at University of Rochester Medical Center in specialty pediatrics for 5 years. She enjoys working and learning in the medical field, and in the future would like to go into a nursing program.




 Capture Marie Musolino
Lab Technician

Marie works in RCR’s lab, drawing blood and running the various tests associated with each study. Marie is always a friendly presence and extraordinarily great at helping maintain the quality of RCR’s lab.



  Brittany Lopez
Lab Technician

Brittany is our lab tech extraordinaire! She works to make sure that all tests and blood samples are handled perfectly! Brittany is a great addition to the team!

 Capture Salley Cardella, RN, CCRC
Study Coordinator (per diem)

Sally has been a Clinical Research Coordinator at Rochester Clinical Research for over ten years. She has many interests, including her dog, music and reading—she is active in an informal book club, and on Goodreads, an international book club on the web.


 Capture Kim Indovina, RN 
Study Coordinator (per diem)

Kim began working at Rochester Clinical Research in 2009, first as a per diem nurse, and then as a Study Coordinator. She started nursing at Highland Hospital in 2005, working as a labor and delivery nurse. She enjoys the challenges of research and knowing that she is part of advancing medicine while changing lives. Kim has a particular interest in diabetes studies, as many members of her family have the disease.


Study Recruiters

Capture Deborah Lovett
Lead Recruiter

Deb has been at RCR for over a decade. Her constant hard work and knowledge about the industry has continued to be a value to the RCR team.

 Capture Cathy Russell, LPN
Recruitment Specialist

Cathy has been at Rochester Clinical Research for a little over a year. Her experience with medicine as an LPN has made her a great asset to the RCR Recruitment Team helping bring in patients for all of RCR’s various studies

  Kim Semrau
Recruitment Specialist

Kim joined RCR with nearly 20 years experience recruiting for clinical trials. She is a great addition to our team.