Email marketing and technologies firm Epsilon Interactive has bought Big Designs Inc., reports DM News. Terms of the deal were not disclosed. Big Design clients include Warner, A&E Networks and American Express.

Big Design president Anthony D'Elia has been named senior VP-chief creative officer at Epsilon (formerly Bigfoot Interactive), reports BtoB Online. Big Designs B2B clients include CMP Technology, King Fish Media and Reed Business Information. It will keep its name and operate as a division of Epsilon.

Epsilon Interactive's creative services unit offers strategic consulting, concept development, copywriting, design and support for online marketing programs.