top of page

Clinical Advisory Board

Dr. Baker

Dr. Robert L. Baker


Back to Team

Dr. Baker graduated from the Vanderbilt University School of Medicine. He completed his internship and residency at Parkland Memorial Hospital. Dr. Baker underwent fellowship training in general cardiology and electrophysiology at the University of Michigan. He has published extensively in the field of sudden death.

Dr. Baker is board certified in internal medicine, cardiology and clinical electrophysiology. He has been elected as a Fellow of the American College of Cardiology. Dr. Baker is a member of the Clinical Cardiology Council of the American Heart Association, Nevada State Medical Association, and the Clark County Medical Society. He serves as a member of the Sunrise Hospital Institutional Review Board. Dr. Baker practices general cardiology with special interests in radiofrequency ablation and the advanced treatment of atrial flutter and atrial fibrillation.

Dr. Calkins

Dr. Hugh Calkins

Back to Team

Dr. Calkins is the Catherine Ellen Poindexter Professor of Cardiology and Director of the Electrophysiology Laboratory and Arrhythmia Service at the Johns Hopkins Hospital. He is an internationally recognized expert on catheter ablation, atrial fibrillation, syncope, arrhythmogenic right ventricular dysplasia (ARVD) and arrhythmia management. Dr. Calkins attended Williams College and Harvard Medical School before training in medicine at Massachusetts General Hospital. He received his cardiology training at Johns Hopkins. His first faculty position was at the University of Michigan, where he directed the Pacemaker Service, and he returned to Johns Hopkins as director of the Arrhythmia Service in 1992.

Dr. Calkins is an Associate Editor of the Journal of Cardiovascular Electrophysiology and is on the editorial board of many other cardiology journals. He is a former member of the American Board of Internal Medicine Electrophysiology Boards Test Writing Committee. Dr. Calkins is a fellow of the American College of Cardiology, the American Heart Association and the Heart Rhythm Society. He led a 44-member international task force whose 2012 Expert Consensus Statement gave recommendations for treatment and research of atrial fibrillation. Dr. Calkins is a past president of the Heart Rhythm Society and was elected to be a member of the Miler Coulsen Academy of Clinical Excellence in 2014.


Dr. Calkins has published more than 500 articles and book chapters on a large variety of cardiac arrhythmias. His research has focused predominantly on catheter ablation, atrial fibrillation, syncope, and arrhythmogenic right ventricular dysplasia.

Dr. Mutharasan

Dr. Kannan Mutharasan, M.D.

Back to Team

Dr. Mutharasan is an Associate Professor of Medicine at the Northwestern University Feinberg School of Medicine and a Cardiologist at the Bluhm Cardiovascular Institute. He serves as the medical director of the Heart Failure Bridge and Transition (BAT) team, a multidisciplinary program designed to facilitate care transitions from the inpatient to the outpatient setting. He graduated from Northwestern University Feinberg School of Medicine in 2003 after earning a B.S. in Biomedical Engineering from Northwestern University School of Engineering.

Dr. Mutharasan’s current operations and research work are in health services and clinical outcomes, focused on implementing quality care for heart failure patients. The heart failure group at Northwestern uses quantitative and qualitative methods and draws lessons from operations research.

Dr. Shah

Dr. Deep Shah,

M.D., M.Sc.

Back to Team

Dr. Shah is Vice President at Gwinnett Clinic in metro Atlanta. He practices full-time primary care and also precepts medical students as an adjunct clinical faculty at Emory University School of Medicine. Dr. Shah has expertise in state and national health policy, clinical operations and health care finance. He currently serves on the board of Augusta University Health System. Dr. Shah graduated Summa Cum Laude from the University of Georgia, where he won Truman and Rhodes Scholarships to study at Oxford. He graduated from Harvard Medical School and trained in internal medicine at Emory. Dr. Shah is a physician leader and advocate of high-value primary care as the foundation of good health.


Bonnie Matthews


Back to Team

Bonnie has been a Registered Nurse for 22 years and is a founding partner of COR consultants. She has consulted for a variety of organizations including healthcare technology companies, public health agencies, and secondary school health science programs. Bonnie has expertise in project management, process improvement and adult education.


Bonnie graduated with a BSN from Georgia Baptist College of Nursing and received her Master’s in Nursing Education from Duke University. She transitioned from cardiac critical care to focus on system level strategic planning and clinical optimization, and spent much of her career immersed in education in her role as a clinical professional development specialist. For nearly a decade, Bonnie was clinical faculty in a health science nursing program, where she cultivated her expertise in training and education. She believes in servant leadership, leading annual medical mission trips abroad and serving on several Advisory Boards of organizations in her community.

Over the past seven years in her role as principal consultant, Bonnie has developed training programs, created standard operating procedures, and written policy and procedures for healthcare organizations across the country. Her years of clinical training and expertise are what make her a valued member of the consulting team.


Nicole Denham


Back to Team

Nicole is a founding partner of COR Consultants. Her passion for change and process improvement led her into the world of consulting. She has been able to work alongside healthcare leaders throughout the country to achieve their desired future state and has years of experience in strategic planning, clinical optimization, and training solutions.


Nicole received her BSN from Georgia State University and a Master’s in Health Administration from Pennsylvania State University. Her 16-year nursing career began at a Metro Atlanta based hospital that she saw flourish into one of the largest Heart Centers in Georgia. Her career has offered varied experience in Cardiac Services, Critical Care Services, and Learning Resources. She spent several years managing teams and overseeing clinical processes within the healthcare system.


During her seven years as a consultant, Nicole has led engagements in a variety of public, private and government healthcare organizations. Nicole believes in taking a collaborative approach to addressing challenges faced by our industry. As an active member of her community, she currently serves as the vice chair of the Georgia Association of Healthcare Executives Programs Committee. Nicole also serves as the co-director of career development for the Pennsylvania State University Alumni – Atlanta Chapter.


Melissa Ruark


Back to Team

Melissa is an experienced healthcare professional with vast experience in clinical leadership and cardiac patient management. She has dedicated her professional career on establishing relational practice strategies to better engage her patients. Melissa has been a nurse for 23 years and carries an expertise in both the hospital and outpatient settings. She is currently a Nurse Practitioner for the Georgia Heart Institute and strives to ensure that her care is both patient-centered and based on clinical best practices.

Prior to joining the Georgia Heart Institute, Melissa worked as a Nurse Practitioner for the Piedmont Heart Institute. During the early years of her career, Melissa gained a wealth of experience managing the critical care patient at the bedside as both a Registered Nurse and later as an Advanced Practice Provider. She received her BSN and Master’s of Science degree from Walden University. Melissa is passionate about caring for the cardiac patient population and serving the community in which she resides.

Back to Top

bottom of page