Clinical immunology career spans more than 30 years, which began in an FDA approved allergy extract pharmaceutical company. He has developed specific IgE and specific IgG4 assays and integrated these tests into the reference laboratory environment. Dr. Kitos owned and operated Allergy Testing Laboratory, one of the nation’s largest allergy in-vitro laboratories.

His unique background in allergy extracts and formulation coupled with his clinical immunology background has formed the basis for his test strategy approaches in the field of allergy. Over the years he has designed and developed several allergy laboratory information systems (LIS) and was the first to offer interpretative allergy patient reports. Dr. Kitos is the Medical Laboratory Director and is board-certified as a high-complexity laboratory Director by the ABB.