He was soon appointed head of the mammals section and also became a сhairman of the trade union committee. In 1969-1972, Shilo was interim acting director of the Novosibirsk Zoo. In 1972, Shilo was appointed director of the Novosibirsk Zoo, a post he held until his death. In 1975, Shilo graduated from the Novosibirsk Agricultural Institute with a specialist degree in zootechnics.
