Door Number 3

Door Number 3 is an independent brand development and integrated advertising agency located in Austin, Texas, United States. The agency is known for creating and integrating marketing that helps challenger brands topple their giants. The agency was founded in 1994 by M.P. Mueller. Mueller is also known for her New York Times blog, Branded in their "You're the Boss: The Art of Running a Small Business" series. The agency was purchased by Prentice Howe in February 2015. Prior to taking sole ownership of the company, Howe worked at Door Number 3 as Executive Creative Director from 2005-2012.

Door Number 3

Door Number 3 is an independent brand development and integrated advertising agency located in Austin, Texas, United States. The agency is known for creating and integrating marketing that helps challenger brands topple their giants. The agency was founded in 1994 by M.P. Mueller. Mueller is also known for her New York Times blog, Branded in their "You're the Boss: The Art of Running a Small Business" series. The agency was purchased by Prentice Howe in February 2015. Prior to taking sole ownership of the company, Howe worked at Door Number 3 as Executive Creative Director from 2005-2012.