Dr. Ivanésio Merlo went to Medical School in Campos City, as an academic, he was monitor of the Parasitology Chair in 1975 and 1976, under the supervision of Professor José Ottílio Leite Machado. Finished his medical graduation in December 1977. Was approved in a contest for Medical Residency in Angiology and Vascular Surgery at the Hospital da Lagoa, in Rio de Janeiro, where he studied for 3 years and was Chief Resident in 1979 and 1980.
Right after he finished his medical residency, Dr. Ivanésio Merlo was approved at a contest for the title of specialist for occasion at the 24° Brazilian Congress performed in Rio de Janeiro in 1981. In 1979 was admitted as an aspiring member of the Brazilian Society of Angiology and Vascular Surgery – SBACV – and becoming a titled member in 1991. Dr. Ivanésio Merlo was sworn titled member of the Brazilian College of Surgeons in 1997. In 1998 he joined the Society of Laser in Medicine and Surgery and became one of the pioneers, in Rio de Janeiro, to utilize this technique for varicose and telangiectasia treatments.