OMAS:WORKS was created in 2006 by Brian O'Brian and Carl Muehleisen. 

OMAS:WORKS has a history of employing highly skilled and attentive staff. The offices are led by:
New York: Carl Muehleisen, Registered Architect New York, Registered Architect New Jersey
Toronto: Brian O'Brian, AIA, Registered Architect New York, BCIN Ontario, Sessional Lecturer at the University of Toronto