Ieva Mediodia was born in Kaunas, Lithuania. In 1987 she attended the Art Gymnasium in Kaunas, and went on to study at the Academy of Arts in Vilnius, where she earned a BFA in painting in 1993. In her last year at the Academy, she had a painting class with the New York artist Kes Zapkus and was inspired to study art in the United States. She was a cofounder and a member of prominent art group ‘Good Evils’ in Vilnius. She left Vilnius in 1996 to study painting at Hunter College, New York, and earned an MFA in 2001.

Since graduation in Vilnius Art Academy and New York Hunter College she has gained attention and participated internationally in numerous exhibitions in France, Finland, Romania, Italy, as well as many in Lithuania and the USA. Notably Ieva Mediodia was represented by prominent
New York dealer and gallery owner Annina Nosei in Chelsea New York, who has exposed Ieva’s work to a larger audience and showed her artwork in Europe and the US.

Her awards include Grant for the Arts and Individual Grant from the Lithuanian Council for Culture; a Graf Travel Grant to Pompeii from Hunter College; a Westerly Trust Grant, London; and a Soros Foundation Grant for an exhibition in Lyon, France.

Her works are in many private collections internationally including Lewben Art Foundation (Vilnius), MO museum (Vilnius).
Since 2014–2019 was a co-founder of nonprofit art program Sla307 Artspace at Lithuanian Alliance of America, which was a collaboration between artists of Lithuanian and other nationalities in New York.

In 2012 artist had a broad presentation of her work at gallery Vartai. In 2019 Ieva Mediodia returns to Lithuania with the cycle of three exhibitions – Vilnius City Hall, Trivium gallery (Vilnius) and Šiauliai Art Gallery (Šiauliai) and at the beginning of 2020 her largest retrospective exhibition ‘Expulsions of Eve’, curated by L. Kreivytė at KCCC exhibition hall (Klaipėda).