We have a strong and diverse faculty with multidisciplinary backgrounds in neurology, pulmonology, critical care medicine, pediatrics and internal medicine. 

Our faculty are devoted to fellow education and growth. Thus, each unique aspect of patient-centered care and polysomnogram interpretation will ensure that each fellow graduates to be a highly competent and skilled sleep physician.


Brief Bio

Joyce K. Lee-Iannotti, MD
Joyce K. Lee-Iannotti, MD

Program Director, Sleep Medicine Fellowship
Director, Sleep Disorders Center, Banner – University Medical Center Phoenix

Medical School: University of South Carolina School of Medicine
Residencies: Internal Medicine (Preliminary) and Neurology, Cleveland Clinic Foundation
Fellowships: Sleep Medicine, Cleveland Clinic Foundation, and Vascular Neurology, Mayo Graduate School of Medicine – Phoenix
Areas of Interest: Research niches in REM sleep behavior disorder, narcolepsy, overlap of stroke/sleep and health care disparities, education, improving care delivery, building programs (pioneering), national work with the American Academy of Neurology and the American Academy of Sleep Medicine

Kenneth S. Knox, MD
Kenneth S. Knox, MD

Associate Dean, Faculty Affairs and Career Development, University of Arizona College of Medicine – Phoenix

Medical School: Ohio State University College of Medicine
Residency: Internal Medicine, Ohio State University
Fellowships: Pulmonary Medicine, Critical Care Medicine and Sleep Medicine, Indiana University
Areas of Interest: Editorial reviews for various medical journals, authoring and publishing peer-reviewed articles, education, health care administration, research with funding from state and federal grants, national involvement with the American Thoracic Society

Kyra Clark, MD
Kyra Clark, MD

Site Director, Carl T Hayden VA Medical Center

Medical School: Penn State Hershey Medical Center
Residency: Internal Medicine, Brooke Army Medical Center
Fellowships: Sleep Medicine, San Antonio Military Medical Center
Areas of Interest: Gender differences and cardiometabolic outcomes in shift workers, national work with the American Academy of Sleep Medicine in the area of diversity, equity and inclusion, education, mentorship, and quality improvement

Srirangarajan Raju, MD
Srirangarajan Raju, MD

Medical School: Coimbatore Medical College, India
Residency: Internal Medicine, Geisinger Medical Center
Fellowship: Temple University Hospital
Areas of Interest: Research interest in finding new therapies for isolated REM related sleep apnea, pathophysiology of REM sleep, REM sleep and body temperature regulation, narcolepsy, improving CPAP compliance, CPAP compliance in post bariatric surgery patients, education, national work with the American Academy of Sleep Medicine in the area CPAP compliance, quality improvement projects to improve patient care and patient access

Nadia A. Hasaneen, MD, PhD, FCCP
Nadia A. Hasaneen, MD, PhD, FCCP

Medical School: Mansoura Faculty of Medicine, Egypt
PhD: Jointly from Stony Brook Medicine and Mansoura university, Egypt
Residency: Stony Brook Medicine, New York
Fellowships: Pulmonary/Critical Care and Sleep Medicine, Stony Brook Medicine, New York
Areas of Interest: Long standing research interest in the role of obstructive sleep apnea in the development of lung fibrosis, interaction of sleep apnea with cardiopulmonary diseases like asthma, COPD and CHF, non-invasive mechanical ventilation and home mechanical ventilation, fellowship research education, national work with the American College of Chest Physicians and American Thoracic Society

Andrew Valenzuela, MD
Andrew Valenzuela, MD

Pediatric Sleep Medicine Physician, Banner Medical Group
Site Director, Pediatric Sleep Medicine Fellowship, Banner Thunderbird

Medical School: McGovern Medical School at UT Health Science Center of Texas
Residency: Pediatrics, Dell Children’s Medical Center
Fellowship: Sleep Medicine, Baylor College of Medicine
Areas of Interest: “Wearables and nearables” for sleep tracking/diagnostics and the role of artificial intelligence within sleep medicine, especially polysomnogram auto-scoring. Hypoglossal nerve stimulators and the various alternative therapeutics for obstructive sleep apnea. Narcolepsy and the pharmacologic options for symptomatic treatment.

Dayana M. Dominguez Batista, MD, FAAP
Dayana M. Dominguez Batista, MD, FAAP

Pediatric Sleep Medicine Physician, Banner Medical Group

Medical School: Caribbean Medical University (Universidad de Ciencias Medicas de La Habana)
Residency: Pediatrics, University of Illinois at Chicago College of Medicine
Fellowship: Sleep Medicine, Washington University in St Louis
Areas of Interest: Pediatric sleep medicine, sleep and development, sleep disorders in children with special needs, long-term outcomes of OSA during childhood, narcolepsy diagnosis and treatment in children and adolescents, long COVID and sleep, global health in sleep medicine

Sanjay Kaji, MD
Sanjay Kaji, MD

Clerkship Director, Sleep Medicine, Banner University Medical Center

Residency: Psychiatry, Louisiana State University Health Sciences Center – Shreveport
Fellowship: Sleep Medicine, The University of Utah Health. Child & Adolescent Psychiatry, The Medical College of Georgia/Augusta University
Areas of Interest: Newer modalities of treatment for obstructive sleep apnea (OSA), including hypoglossal nerve stimulator and future compliance with the device. Research interests in hypoglossal nerve stimulators in reducing overall symptom burden from OSA and reducing the overall risk of future co-morbidities

Karim El-Kersh, MD
Karim El-Kersh, MD

Professor of Medicine, Clinical Scholar Track
Director of Pulmonary Hypertension Program

Medical School: Minia University School of Medicine
Residency: Saint Michael’s Medical Center, Seton Hall University School of Graduate Medical Education (currently affiliated with New York Medical College), Newark, NJ
Fellowship: University of Louisville, Louisville, KY
Areas of Interest: Pulmonary Hypertension (PH) with focus on utilizing imaging in risk stratification, metallomics in PH, Healthcare utilization in PH, Palliative Care and social determinants of health in PH