Vladislav Nikolaevich Koryagin, born in 1947 in Leningrad, USSR. Graduated from the Leningrad Pediatric Medical Institute in 1976, then completed his residency in infectious diseases in 1978. In 1984 received the title of Candidate of Medical Sciences. Associate Professor of the Department of Infectious Diseases of the Medical Faculty of St. Petersburg State University from 1997 to 2012.

He is one of the leading specialists of the Russian Federation in antiviral therapy of chronic viral hepatitis B, C and D, as well as the treatment of herpetic and other viral infections, including infectious mononucleosis and HIV infection. In 2008, for his labor achievements and many years of fruitful work, by Decree of the President of the Russian Federation No. 289, he was awarded the medal of the Order of Merit for the Fatherland of the II degree. Author of more than 50 scientific papers on the topic of viral hepatitis and herpetic infections.

Since 2012, he has been an infectious disease specialist at the Department of Innovative Hepatology for the treatment of viral hepatitis and HIV-infection of the EXCLUSIVE medical clinic, St. Petersburg. Also is a scientific consultant and the head of the city center for the treatment of herpes infections.