[1] Mälk was born on 27 January 1958 in Tallinn and began her studies at the Tartu Art School in 1977 and graduated from the Estonian Academy of Arts in 1986, studying under professor Leili Kuldkepp.
In 1993, she enrolled at the Lahti Design Institute in Finland, studying gemmology under the direction of Esko Timonen and completed her studies at Bernd Munsteiner's lapidary studio in Germany.
Mälk was assigned to the Estonian Academy of Arts from 1989 and was also a professor in the jewellery department at the school from 1996.
Her jewellery designs have been displayed in various museums and exhibitions in: Estonia, Latvia, Lithuania, Germany, Belgium, Denmark, Finland, the United States, South Korea, Russia, Slovakia, France, Japan, the United Kingdom, Sweden, Spain and Norway.
[2] Mälk died on 1 January 2023 in Tallinn, 26 days before her 65th birthday.