Ivan Lesay was born in Trnava, (Czecho-)Slovakia, in 1980. He studied and taught political science and political economy at universities in Trnava, Budapest, Bratislava and Vienna. He has been working in the area of European investments and green energy.

He authored several expert books and papers. His works include a popular study of the 2008 Financial Crisis co-authored with Prof. Joachim Becker.

He writes lyrics for the Trnava-based hardcore-crossover formation Fishartcollection, who are two-time finalists of the Radio Head Awards under the category Hard & Heavy. He made his literary debut with a children’s book. Lesay authored several short stories, including some for radio. His debut novel Topografia bolesti (The Topography of Pain) was published in 2020 and scored 3rd in the national Book of the year 2020 award. The English translation of the novel The Topography of Pain will be published on November 1, 2024, by the Canadian publisher Guernica Editions.His second book for kids Frenky. The Hot-blooded Lizard and Her Unusual Family (HANT) was published in Czech at the end of 2023.