Mark Hage is a structural engineer based in SoHo, New York. He has served as a panelist for the New York State Council on the Arts and as a juror for the Scholastic Art Awards. Hage has collaborated on the engineering of a variety of artworks, including works by Richard Serra, Sarah Sze, Ugo Rondinone, George Segel, Damien Hirst, and others. Looking Up is a book that chronicles his collaboration with Rachel Whiteread and the team that realized Water Tower, a resin cast sculpture currently exhibited at MoMA.