Dr. Nilo Arnaiz graduated from the Northwestern University Feinberg School of Medicine and then did his residency in Internal Medicine at the UCLA Medical Center. He has also done a residency in Occupational Medicine at the University of Washington School Public Health and a fellowship in Pulmonary Disease and Critical Care Medicine at the University of Washington. Dr. Arnaiz is a board-certified pulmonologist with more than two decades of clinical experience. At present, he is affiliated with the Kaiser Permanente Orange County –Anaheim Medical Center. He has also contributed to three research publications.