Omar Kachkachishvili was a graduate of the Tbilisi State Academy of Arts and a member of the Artists' Union since 1978. Participated in exhibitions in Georgia, Bulgaria, Moscow, Germany. The artist's works are kept in the Georgian National Museum, Kutaisi Academy of Arts, in private collections. The works mainly cover urban motifs and landscapes of the Georgian regions.
Nana Kachkachishvili, an archeologist by profession, worked on portraits and themes based on Oriental and Tbilisi motifs, where each of them is distinguished by its bright range.