If you Google "Famous Existential Art" this painting comes up as the 2nd image, directly after "Card Players" by Cezanne.

Andrew Baines (born 17 June 1962) is a notable Australian "quasi-surrealist painter and installation artist," best known for his paintings of politicians in exposed positions and bowler-hatted office worker.] He is regarded as "one of the most recognisable and collectable of Australia's contemporary artists.

See his Wikipedia: https://en.wikipedia.org/wiki/Andrew_Baines