Who are the UCSD Sleep Research Lab?


Atul Malhotra, MD
Atul Malhotra, MD
Professor and Division Chief, Pulmonary Critical Care and Sleep Medicine
Chief interests: 
  • Pathogenesis of sleep apnea
  • Metabolic/cardiovascular complications of sleep disorders
  • Mechanical ventilation in acute respiratory distress syndrome

Robert Owens, MD
Robert Owens, MD
Associate Clinical Professor
Chief interests:
  • Pathogenesis of sleep apnea
  • Sleep apnea and chronic lung disease
  • Mechanical ventilation in acute lung injury
Jeremy Orr, MD
Jeremy Orr, MD
Assistant Clinical Professor
Chief interests:
  • Sleep apnea in chronic lung and heart disease
  • Non-invasive ventilation
  • Control of breathing

Xavier Soler, MD, PhD
Xavier Soler, MD, PhD
Associate Professor of Medicine; Associate Director, Pulmonary Rehabilitation Program; Associate Director, Clinical Trials Center & Airway Research Center
 Chief interests:
  • Chronic lung disease
  • Pathophysiology of COPD and asthma
  • Sleep disorders affecting COPD
Omar Mesarwi, MD
Omar Mesarwi, MD
Associate Physician
Chief interests:
  • Sleep apnea and hypoxia
  • Liver fibrosis and fatty liver disease
Rakesh Bhattacharjee, MD
Associate Clinical Professor
Chief interests:
  • Pediatric sleep medicine
  • Pulmonology
Chantal Darquenne, PhD
Chief interests:
  • Aerosol deposition in the lung
  • Upper airway dynamics in sleep apnea
  • Pulmonary ventilation
Darquenne Lab Website


Postdoctoral Scholars

Naomi Deacon, PhD
Postdoctoral Scholar Chief interests: 
  • Pathogenesis of sleep apnea
  • Chemosensitivity and control of breathing
  • Pathogenic mechanisms of intermittent hypoxemia
Dae Kang, PhD
Postdoctoral Scholar Chief interests:
  • Wearable Physiological Monitoring
  • Sleep Signals Processing & Analytics
  • Physiological Dynamics During Sleep
Stuti Jaiswal, MD, PhD
Resident (Internal Medicine), KL2 Scholar


Pam De Young, RPSGT/BA, Clinical Research Supervisor II

Janelle Fine
Janelle Fine, Development Engineer

Dillon Gilbertson, Staff Research Associate
Naa-Oye Bosompra, Staff Research Associate
Stacie Moore, CRT-SDS, Staff Research Associate
Rebbecca Brena, CPSGT Staff Research Associate


Frank L. Powell, PhD
Professor, Physiology Division Chief
Chief interests:
  • Control of ventilation, especially chemoreception
  • Comparative physiology of gas exchange
  • High Altitude
Powell Lab Website 
Susan R. Hopkins, MD, PhD
Professor (Physiology, Radiology)
Chief interests:
  • Exercise physiology
  • High altitude physiology
  • Functional lung imaging
  • Pulmonary gas exchange during exercise
  • Elite athlete training
David Dubowitz, MD, PhD
Associate Professor (Radiology)
Chief interests:
  • Physiology of functional MRI
  • MRI measurements of cerebral blood flow and metabolism
  • Acclimatization and deacclimatization to hypoxia at altitude

Tatum S. Simonson, PhD
Assistant Professor (Physiology)
Chief interests:
  • High-altitude physiology and genetic adaptations in highland populations
Simonson Lab Website 

Ann Elliott, PhD
Research Scientist (Physiology, Radiology)
Chief interests:
  • Functional lung imaging
  • Pulmonary gas exchange
Rebecca Theilmann, PhD
Assistant Researcher (Radiology)
Chief interests:
  • Functional Magnetic Resonance Imaging
  • Diffusion tensor imaging
Ajit Raisinghani, MD
Clinical Professor (Cardiology)

Erica Heinrich, PhD
Postdoctoral Scholar (Physiology)
Chief interests:
  • Physiological genomics of high-altitude adaptation
  • Control of breathing



Erik Smales, Staff Research Associate
Rachel Jen, MD, Visiting Scholar (Canada)
Sylvia Yanru Li, MD, Visiting Scholar (China)