David Neil Cutler, Sr. (born March 13, 1942) is an American software engineer, designer and developer of several operating systems including the RSX-11M, VMS and VAXELN systems of Digital Equipment Corporation and Windows NT of Microsoft.
David Cutler was born in Lansing, Michigan and grew up in DeWitt, Michigan. After graduating from Olivet College in 1965, Cutler went to work for DuPont. One of his tasks was developing and running computer simulations on Digital machines. He developed an interest in operating systems and left DuPont to pursue that interest.
Cutler's software career started at a small company he founded called Agrippa-Ord, located in Monument Square, Concord, Massachusetts (or possibly in Acton, Massachusetts), marketing software for the LINC and PDP-8 computers.