Research Staff


Research Staff

Each member of our research staff has the extensive experience and people skills to prepare and guide our patients through the process of participating in a clinical trial. They also fulfill the important function of liaison between the practice and the research sponsors, handling all of the administrative responsibilities of the clinical trials, from developmental phase to study completion. To contact any of our research coordinators, please send an email to or call 240-223-0896.

Research Coordinators

Margaret Cashion
Lead Clinical Research Coordinator

As Lead Clinical Research Coordinator, Margaret supports RGW’s Clinical Research Team and investigating physicians by coordinating and facilitating the identification, recruitment and enrollment of patients in clinical trials according to ICH’s Good Clinical Practice guidelines. Margaret also maintains regulatory and administrative protocols and Institutional Review Board correspondence for ongoing trials and sub-studies in both the Fairfax and Chevy Chase offices. She serves as both masked and unmasked coordinator in a variety of retinal disease trials, assisting the respective investigator per study protocol, and maintains the clinical study chart that logs physical findings, lab data and other essential study details. Prior to this position, Margaret was an Ophthalmic Technician for RGW, with responsibilities for everything from screening patients to scribing to achieving a proficiency in office instrumentation and testing. Margaret earned a B.S. in Biological Sciences, as well as minors in Medicine & Society and Leadership & Social Change, from Virginia Polytechnic Institute and State University.

Linda Caringal

Linda obtained her B.S. in Zoology and continued her education to receive her Doctor of Medicine in the Philippines, specializing in infections tropical diseases.  Linda has co-authored papers and journals on Infections disease including Malaria, Leptospirosis, and HIV/AIDS in The Lancet, American Journal of Tropical Medicine and Hygiene, and The Journal of Infectious Disease.  She served as a medical research physician at the US Naval Medical Research Institute, conducting all procedures from recruitment to data collection to training and lecturing on findings.  Linda transitioned into Ophthalmology and is a Certified Ophthalmic Assistant (JCAHPO).  Linda has extensive experience in the retinal field and brings an advanced medical perspective to the Research Team at RGW. Linda supports the identification, recruitment and enrollment of patients for retinal clinical trials and is also responsible for recording lab data and study details; maintaining regulatory and administrative files of trial protocols; reporting adverse events; logging and tracking study communications; managing drug and device inventories.

Scarlett Troy

As a Research Coordinator for RGW, Scarlett supports virtually every aspect of the clinical trial process. She is involved in patient identification, recruitment and retention; abstracting and recording lab data and study details; maintaining regulatory and administrative files of trial protocols; reporting adverse events; logging and tracking study communications; managing drug and device inventories; and preparing for FDA, NIH and sponsor audits. Prior to this position, Scarlett was a Clinical Technician and Scribe for RGW, with responsibility for performing refractions and pre-screening for trial patients, documenting relevant information, conducting different types of ophthalmic photography, and ensuring accurate and complete medical records for each patient. Previously Scarlett was a Clinical Technician for Dr. Howard Budner and Associates in Rockville, an Autistic Therapist at Children Achieving Maximum Potential, Inc., and a Scribe and Clinical Technician at Visionary Ophthalmology. Scarlett holds a Bachelor of Science in Biochemistry and Molecular Biology from University of Maryland and a Life Sciences Associates Degree from Montgomery College.

James Russell

James brings a four-year tenure as an Ophthalmic Technician and a background in clinical research to his position as a Research Coordinator. As an RGW Ophthalmic Technician, James was responsible for screening and preparing patients for clinical appointments, as well as scribing physicians’ visits with their patients and accurately recording all interactions during office consultations. As a Certified Visual Acuity Examiner for RGW, James regularly performed Best Corrected Visual Acuity (BCVA) testing for patients, and became familiar with and supported research protocols for a variety of clinical studies. Prior to joining RGW, James was Lead Physical Therapy Aide at Anne Arundel Medical Center Outpatient Rehabilitation in Annapolis, where he supported physical therapists, oversaw the aide staff and trained new team members, and managed clinic inventories and supplies. James completed University of Maryland’s Science in the Evening program, and holds a Bachelor of Arts degree in Liberal Arts from St. John’s College.

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