Costas Malamos was born in Alexandria, Egypt. He studied painting at the Athens School of Fine Arts (1932-1937) with Umbertos Argyros, Pavlos Mathiopoulos, and Costas Parthenis. He had his first one-man exhibition at Ioannina, Epirus in 1933. Other solo and group shows followed both in Greece and abroad. He has also painted frescos in churches and other public buildings. In 1972 he was awarded in Athens with the 2nd State Prize for Painting. In 1937 he opened an art preparatory school in Athens and in 1941 a school for painting at Ioannina, while in 1946 he was appointed art professor at the Athens College. From 1958 to 1963 he taught at the Vakalo School and in 1960 he founded the Neo-Hellenic Art Gallery at Ioannina. In 1994 he was awarded with Academy of Athens Award. Due to his personal style, he gives an expressionist character to his descriptive and realistic writing.
Costas Malamos passed away on 21 March 2007 in Athens.