Oparin Serhiy Oleksandrovych, 30.04.1961, Kyiv. In 1980 entered full-time study at the Kyiv Medical Institute. Since 1987 worked as a surgeon of the highest category. Experience in the specialty 35 years. From 1987 to 2008 worked as a surgeon of the 2nd surgical department of the Kyiv Clinical Hospital ? 4. From 2008 to 2011 worked as the head of the surgical department of Medbud. In 1999 passed the primary specialization in endoscopy. I still work as an endoscopist. Experience in the specialty 22 years. From 2011 to 2021 worked as the head of the operational department of Kyiv regional hospital.