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Please see our dedicated staff of physicians and healthcare professionals that allow us to conduct life-changing clinical trials. If you are interested in working with us on a current or future clinical trial, please scroll down to the bottom of the page and send us your contact information!

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Our Staff


Other health professionals assisting with clinical trials:

Amy Goff-Yates, RN, CNP

Amy Goff-Yates, RN, CNP offers adult neurology care to patients in Dayton, Ohio, at Neurology Diagnostics, Inc. She is board-certified by the American Academy of Nurse Practitioners and licensed by the State of Ohio Board of Nursing as a Registered Nurse and Certified Nurse Practitioner. Amy has a Bachelor's and Master's of Science in Nursing from Wright State University. With a background in trauma nursing and case management, she has a strong foundation in providing education to patients and families. Amy is also a member of the Ohio Association of Advanced Practice Nurses (OAAPN), the American Academy of Neurology (AAN) and Sigma Theta Tau International Honor Society of Nursing.


Kimberly Myers, RN, CNP

Kimberly Myers, APRN, CNP offers adult neurology care to patients in Dayton, Ohio at Neurology Diagnostics. She is licensed by the Ohio Board of Nursing and board-certified by the American Nurses Credentialing Center. Ms. Myers earned her Master's in Nursing from the University of Cincinnati in 2013. She completed her undergraduate degree at Wright State University's College of Nursing and Health.

Ms. Myers is a Visiting Professor for Chamberlain University and has served as a preceptor for nurse practitioner students at Cedarville University and Wright State University College of Nursing and Health. She is a member of the Ohio Association of Advanced Practice Nurses. She obtained her Multiple Sclerosis Nurse Certification from the International Association of Multiple Sclerosis Nurses in 2017.


Dr. Jerry Flexman, PhD

Dr. Jerry Flexman received a PhD in Psychology in 1973 and completed his residency in Neuropsychology in 1974. Since then, he has been serving the Dayton and Springfield area as a psychotherapist and Clinical Neuropsychologist. Dr. Flexman has been the CEO and Clinical Director of The Flexman Clinic since 1978. Dr. Flexman currently focuses on psychological and neuropsychological testing for a wide range of assessment needs.

Dr. Flexman is currently on staff at Grandview Medical Center, Miami Valley Hospital, The Medical Center at Elizabeth Place, Dayton Rehabilitation Institute, and Kindred Hospital where he provides inpatient psychological consults.


Dr. Ryan Harris, DMD

bio coming soon


Dr. Jon Williams, DO

bio coming soon


Dr. Ugo Nwokoro, MD

bio coming soon


Gerald Cephas, MD

Dr. Gerald Cephas received a B.S. in biomedical engineering from Duke University in 1990, before completing medical school at the University of Virginia in 1994. He remained at UVA to complete the residency program in general surgery in 2001. Dr. Cephas then began performing laboratory research under a grant administered the National Institutes of Health, which he continued until 2004, when he worked with a private medical group in Southern California.

In 2008, Dr. Cephas began performing clinical research in the areas of psychiatry and neuroscience, including trials in major depression, postpartum depression, bipolar disorder, schizophrenia, obsessive-compulsive disorder, binge-eating disorder, attention-deficit/hyperactivity disorder, autism spectrum disorder, Alzheimer's disease, Parkinson's disease, essential tremor disorder, tardive dyskinesia, and multiple sclerosis. Dr. Cephas is excited to be working with the team at Neurology Diagnostics & The Memory Clinic.