Trained as an artist, Saul Ostrow is since the 1990s known primarily as an independent critic, curator. Since 1985, he has curated over 80 exhibitions in the US and Europe. Presently he is Art Editor at large at Bomb Magazine and Chief Operations Officer For CPI.

He has also served as Co-Editor of Lusitania Press (1996-2004) as well as the acquisitions editor of the book series Critical Voices in Art, Theory and Culture (1996- 2006) published by Francis & Taylor. His own writings have appeared in numerous art magazines, journals, catalogues, and books in the USA and Europe.

Saul Ostrow in 2010, along with David Goodman and Édouard Prulhière, founded Critical Practices Inc. (CPI), an all-volunteer, non-profit organization whose developments include curatorial projects, open forums, and a broadsheet publication.