C. Gerard Petersen, M.D.

C. Gerard Petersen, M.D. is a Pulmonary Critical Care Medicine expert specializing in pulmonary disease, critical care medicine, and sleep medicine litigation. With a career encompassing leadership roles in pulmonary medicine and academic appointments, he brings a comprehensive clinical and administrative perspective to his litigation work. His work centers on investigating pulmonary disease causation, assessing critical care standards, and evaluating whether deviations in sleep medicine protocols occurred.

Dr. Petersen has been retained in numerous expert witness and consulting engagements across the United States, involving cases related to pulmonary nodules, lung cancer, and occupational lung diseases. His Doctor of Medicine from Tufts University School of Medicine, along with certifications in Internal Medicine, Pulmonary Disease, Sleep Medicine, and Critical Care Medicine, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving pulmonary and critical care issues.