Yitzchak Mirilashvili is an Israeli investor, entrepreneur and philanthropist. He is a co-founder of VK (Vkontakte.ru), Russia's largest social network. Mirilashvili lives in Israel, where he oversees his businesses as well as various charitable foundations and causes. Mirilashvili is the controlling shareholder of Israel's Channel 14.

VK is a Russian online social media and social networking service based in Saint Petersburg. VK is available in multiple languages but it is predominantly used by Russian speakers. VK users can message each other publicly or privately, edit these messages, create groups, public pages, and events; share and tag images, audio, and video; and play browser-based games.