Marko first started sculpting on the Mediterranean island of Gozo and formally studied the practice at the University of Hertfordshire. He has exhibited frequently both in the UK and internationally, having shown with the Royal Society of British Artists and the National Society on many occasions.
In 2009 Marko was elected to the Royal British Society of Sculptors. Since then his sculptures have won international accolades, including the 2016 Brian Mercer Carving Residency in Italy. The artist’s work has been widely collected and can be found in both public and private collections in the UK, Europe, Australia, China and the USA.