Mark J Kohler The latest news, videos, and discussion topics on Mark J Kohler en-us Copyright 2014 Inc., All rights reserved. (webmaster) 5 Business Tue, 15 Oct 2013 17:00:00 GMT The Big Benefits Behind These Three Little Letters: D.B.A. A "Doing Business As" filing can be used to both start or expand a current business on the quick. Here, accounting whiz Mark Kohler parses the innumerable ways he loves DBAs. Tue, 15 Oct 2013 17:00:00 GMT Mark J. Kohler