Born in 1956 in Methil, Fife, Scotland. Lives and works in London with his wife Lesley.

David Mach studies from 1974 to 1979 at the Duncan of Jordanston College of Art, Dundee, Scotland, and receives the Pat Holmes Memorial Award in 1975.

He travels abroad from 1976 to 1978 within the Duncan of Drumfork Travelling Scholarship, then within some SED minor and major travelling scholarships. From 1979 to 1982, he studies at the Royal College of Art (RCA), London, and receives the Drawing Prize of RCA in 1982.

David Mach is nominated for the Tate Gallery Turner Award in 1988, and is a contributor in the Contemporary Art Summer Seminar, Kitakyushu from 1989 to 1991. He gets the Lord Provost Award from the Royal Glasgow Institute in 1992.

He is commissioned by Darlington Borough Council, Northern Arts (U.K) and WM Morrison Supermarkets for a large-scale sculpture, entitled Train, settled up on the site of Darlington, to commemorate the first British railway. He works on this project from 1994 to 1997, which is, with its 40 m long, the biggest outdoor sculpture ever realized in England, and was unveiled on June 24, 1997. The same year, first personal exhibition entitled The last Detail at the Galerie Jérôme de Noirmont, Paris.

In 1998, David Mach is elected Member of The Royal Academy of Arts, London. He is selected to participate in the M8 Project, consisting in monumental sculpture installations along the M8 highway, connecting Glasgow to Edinburgh. Solo exhibition at the Cincinnati Contemporary Arts Center, USA.

David Mach unveils his monumental sculptures Lanark I, Lanark II and Lanark III along the M8 Highway in 1999. He is an associated lecturer at the Sculpture Department of the Edinburgh College of Arts. Presentation of His n’Hers, two wide coat hangers busts, in The Hague within the outdoors show Den Haag Sculptuur. He realizes a monumental collage-mural of more than 75 meters long, commemorating the XXth century for the millennium celebrations at the Millennium Dome, in London.

Presentation of Spaceman in 2000, a wide coat hangers sculpture almost 2.50 meters high, within the exhibition L’Homme qui Marche in the Gardens of the Palais Royal, Paris, and then within the new edition of the outdoor exhibition Den Haag Sculptuur, The Hague.
The same year, second exhibition solely devoted to his sculpture at the Galerie Jérôme de Noirmont, Paris, and he is appointed Professor of Sculpture at the Royal Academy, London.

Mach is named Honorary Doctor of Laws at the University of Dundee in 2002, and a retrospective is organized at the Gallery of Modern Art of Glasgow. Third personal exhibition in 2003 at the Galerie Jérôme de Noirmont, Paris. In 2004, David Mach is made Honorary Member of the Royal Scottish Academy and First Visiting Professor of “Inspiration and Discovery” at the University of Dundee (Scotland).

In 2007, In Seine, tarpaulin based on a collage realized with the support of the Galerie Jérôme de Noirmont for the National Opera of Paris, front of Palais Garnier.
The same year, personal exhibition at the Galerie Jérôme de Noirmont, Paris.