Joana Celiesiute graduated from the Kaunas Medical Academy (current LSMU) in 1997. After conducting primary residency practice at Jonava Central Hospital, she continued her studies at the Vilnius University Hospital (Santariškių klinikos) in the Obstetrics Gynecology residency program. In 2002 she acquired a specialization in obstetrician/gynecology and worked in the Hospital of Oncology.