In 2020 Samojlik earned a postdoctoral degree (habilitation) in biological sciences in the Białystok University in Białystok, Poland. His thesis was titled “Wpływ XIX-wiecznej gospodarki leśnej na stan lasów i populacji dzikich zwierząt Puszczy Białowieskiej” [“The influence of XIX century’s forest management on the forest shape and wild animals population of the Białowieża Forest”].
