He completed medical school at the University of Illinois College of Medicine at Chicago, his residency at Loyola University Medical Center, and his fellowship at the University of Chicago Medical Center. He is board certified in Pediatric Endocrinology and Pediatrics and has clinical expertise in adrenal gland disorders, adrenal insufficiency, diabetes, diabetes insipidus, Graves' disease, hypo/hyperparathyroidism, hypo/hyperthyroidism, metabolic syndrome, pituitary disorders, precocious puberty, short stature, Turner syndrome, and vitamin D deficiency. Additionally, he is fluent in Greek and Spanish.