Meet Our Team

Amjad Horani, MD

Amjad Horani, MD, is a pediatric pulmonologist with extensive research experience in primary ciliary dyskinesia (PCD). He has published widely on this condition and continues to actively pursue research into pathways that lead to improper cilia assembly and how they lead to disease. Horani's research partnerships extend globally to Europe and the Middle East where he collaborates with other investigators to evaluate novel PCD variants.

Horani Lab

Steve Brennan, MBBS
Associate Director

Steve Brennan, MBBS, is a pediatric pulmonologist who completed his fellowship training at Washington University with a research focus on primary ciliary dyskinesia. He is interested in the genetics of rare pediatric lung diseases along with clinical research into screening and detection of rare conditions. He participates as a member of the NIH Undiagnosed Diseases Network at the Washington University site.

Thomas Ferkol, MD

Thomas Ferkol, MD is the Alexis Hartmann professor of pediatrics and professor of cell biology and physiology at Washington University School of Medicine (St. Louis, Missouri). An American Lung Association Edward Livingston Trudeau Scholar and recipient of the Cystic Fibrosis Foundation LeRoy Matthew’s Physician-Scientist Award, his research has largely focused on the development of cell and animal models to study cystic fibrosis and primary ciliary dyskinesia, defining genetic and molecular factors that contribute to chronic airway infection, inflammation, and epithelial injury with almost 30-years of continuous funding from the National Institutes of Health (NIH). Ferkol currently co-leads the NIH-supported Genetic Disorders of Mucociliary Clearance Consortium, an established, multicenter collaborative that is defining the genetics and pathophysiology of inherited, suppurative lung diseases. He has served on numerous national and international review groups and study sections, and written or co-authored nearly 200 original articles, scholarly reviews, and book chapters. Finally, Ferkol was President of the American Thoracic Society five years ago, only the second pediatrician to serve in this capacity during the 115-year history of the organization.

Maleewan Kitcharoensakkul, MD, MSCI

Maleewan Kitcharoensakkul, MD, MSCI, is a pediatric allergist, immunologist and rheumatologist having completed fellowship training in two subspecialties. She has an interest in primary immunodeficiencies and rheumatologic diseases, both of which often manifest with respiratory symptoms.

Maithilee Menezes, MD

Maithilee Menezes, MD, is a pediatric otolaryngologist with a special interest in primary ciliary dyskinesia and its effects on the upper airway, sinuses, and hearing. She has extensive experience in the evaluation of children for recurrent sinusitis and ear infections. Her other clinical and research interests include congenital vascular and lymphatic malformations of the head and neck.

Katherine Dunsky, MD

Katherine Dunsky, MD, is a pediatric otolargyngologist who specializes in treatment of the associated effects of primary ciliary dyskinesia in the upper airway, sinuses, and ear canals. Her other clinical and research interests include obstructive sleep apnea, vocal, and swallowing dysfunction.

Samantha Toy MS, CGC

Samantha Toy MS, CGC, is a trained and registered genetic counselor and a member of the Washington University Division of Pediatric Genetics and Genomics. She provides both in-person and virtual support, education, and counseling to families of children diagnosed with rare diseases.

Leslie Wehmeier, RN

Leslie Wehmeier, RN, is the nurse coordinator overseeing care and referrals to the PCD and Rare Lung Disease Center.

Jane Quante, RN

Jane Quante, RN, is the nurse research coordinator assisting in the clinical research within the the PCD and Rare Lung Disease Center and overseeing studies related to the Genetic Disorders of Mucociliary Clearance Consortium.

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