Theresa Miller, Media Director (Upstreamers Advertising)


Theresa is the owner and founder of T.M. Brand Builders, a Seal Beach, CA-based woman-owned media agency. Through her company, Theresa serves as Upstreamers’ strategic media partner handling media planning and buying duties on existing agency clients. 


She can be best described as the consummate multi-cultural and general media specialist. Throughout her career she has been known for her voracious knowledge of media trends, changing Hispanic consumer media behavior patterns, and she has also built up a reputation as a tough but fair media negotiator. Theresa is a pro at driving tough media negotiations and getting significant added value for all of her clients, whether they are in the private or public sector. 


Prior to T.M. Brand Builders, Theresa worked in senior-level roles at Orcí, Gallegos United, Casanova/McCann, LatinSphere Advertising, Aras Group, Epica - Ai CoLab, INK, and TrueData among others.